{"id":23862,"date":"2026-06-16T13:17:30","date_gmt":"2026-06-16T17:17:30","guid":{"rendered":"https:\/\/redvoztelecom.com\/producto\/ip-telephone-ip-phone-voip-sip-phones-t790pwn-support-4-sip-lines-and-wifi-for-ip-pbx-application\/"},"modified":"2026-06-26T14:00:08","modified_gmt":"2026-06-26T18:00:08","slug":"ip-telephone-ip-phone-voip-sip-phones-t790pwn-support-4-sip-lines-and-wifi-for-ip-pbx-application","status":"publish","type":"product","link":"https:\/\/redvoztelecom.com\/en\/product\/ip-telephone-ip-phone-voip-sip-phones-t790pwn-support-4-sip-lines-and-wifi-for-ip-pbx-application\/","title":{"rendered":"IP Telephone \/ IP Phone \/ VoIP SIP Phones T790PWN Support 4 SIP Lines and Wi-Fi for IP PBX Applications"},"content":{"rendered":"<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:left;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"left\"><span style=\"font-size:18px;font-family:\">High Quality Multi-Languages VoIP Phone Support 4 SIP\u00a0and WiFi\u00a0(2.4G in default ) IP \/ SIP Phone<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:left;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"left\"><span style=\"font-size:18px;font-family:\">Model: sip-T790PWN<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:left;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"left\"><span style=\"font-size:16px;font-family:\"><strong><span style=\"font-family:\">( 4 SIP\u00a0accounts and support WiFi )<\/span><\/strong><\/span><\/p>\n<p><\/p>\n<ul style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal\">\n<li>\n<p><span style=\"font-size:16px;font-family:\"><strong><span style=\"font-family:\">2.4-inch colored LCD display screen<\/span><\/strong><\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-size:16px;font-family:\"><strong><span style=\"font-family:\">4 SIP lines,paperless electronic paper turning<\/span><\/strong><\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-size:16px;font-family:\"><strong><span style=\"font-family:\">Encrypted call (OpenVPN\/TLS\/SRTP)<\/span><\/strong><\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-size:16px;font-family:\"><strong><span style=\"font-family:\">Noise reduction HD sound quality<\/span><\/strong><\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-size:16px;font-family:\"><strong><span style=\"font-family:\">Can be equipped with USB recording\/WiFi<\/span><\/strong><\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-size:16px;font-family:\"><strong><span style=\"font-family:\">Advanced remote address book management<\/span><\/strong><\/span><\/p>\n<\/li>\n<li>\n<p><span style=\"font-size:16px;font-family:\"><strong><span style=\"font-family:\">Exquisite design concept, showing the visual feast of UI<\/span><\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span><strong><span style=\"font-size:16px;font-family:\">Explore the T790 series-Color innovation of enterprise communication<\/span><\/strong><\/span><br \/><span style=\"font-size:16px;font-family:\">The complete new generation SIP-T790N color screen phone leads the enterprise market with its\u00a0excellent performance price ratio. This well-designed device not only provides 4 SIP lines, but also\u00a0is equipped with 100 Mbps Ethernet port, which makes the network connection more rapid and\u00a0stable, ensuring smooth and unimpeded communication, improves the effectiveness and visual\u00a0enjoyment of communication.<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><strong><span style=\"font-size:16px;font-family:\">Brightening characteristic<\/span><\/strong><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:16px;font-family:\"><strong>Visual feast:\u00a0<\/strong><\/span><span style=\"font-size:16px;font-family:\">2.4-inch high-definition color LCD screen, delicately display call information and<\/span><br \/><span style=\"font-size:16px;font-family:\">intuitive icons, bringing color to your communication.<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:16px;font-family:\"><strong>Intelligent operation:<\/strong><\/span><span style=\"font-size:16px;font-family:\"><span>\u00a0<\/span><\/span><span style=\"font-size:16px;font-family:\">4 bi-colour light programmable buttons simplify complex<\/span><br \/><span style=\"font-size:16px;font-family:\">operations,making communication effective and productive.<\/span><br \/><span style=\"font-size:16px;font-family:\"><strong>Green office:<\/strong><\/span><span style=\"font-size:16px;font-family:\">The one-touch electronic page turning function perfectly interprets the paperless<\/span><br \/><span style=\"font-size:16px;font-family:\">design concept.<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:16px;font-family:\"><strong>Listening enjoyment:<\/strong><\/span><span style=\"font-size:16px;font-family:\"><span>\u00a0<\/span><\/span><span style=\"font-size:16px;font-family:\">Advanced noise reduction technology is used to ensure the high-fidelity<\/span><br \/><span style=\"font-size:16px;font-family:\">sound quality of each call, clear and delicate as if you were on the scene.<\/span><br \/><span style=\"font-size:16px;font-family:\">Security: OpenVPN, TLS &amp; SRTP encryption technology is integrated to ensure call security, so<\/span><br \/><span style=\"font-size:16px;font-family:\">that every\u00a0conversation is at ease.<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:16px;font-family:\"><strong>Seamless integration:<\/strong><\/span><span style=\"font-size:16px;font-family:\"><span>\u00a0<\/span><\/span><span style=\"font-size:16px;font-family:\">Compatible with mainstream IP PBX systems, supporting enterprise-level<\/span><br \/><span style=\"font-size:16px;font-family:\">network management platforms, and seamlessly integrating into various business environments.<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:16px;font-family:\">SIP-T790N is an ideal choice for all kinds of enterprise scenarios. It can not only meet the daily\u00a0office needs, but also greatly improve the efficiency of work flow while ensuring data security.<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><img decoding=\"async\" src=\"https:\/\/redvoztelecom.com\/wp-content\/uploads\/ali-desc\/H8e106ee766c04500b73f40098dbabde34.jpg\"  title=\"\"   alt=\"H8e106ee766c04500b73f40098dbabde34 IP Telephone \/ IP Phone \/ VoIP SIP Phones T790PWN Support 4 SIP Lines and WIFI For IP PBX Application\"  \/><\/p>\n<\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><strong><span style=\"font-size:14px;font-family:\">\u00a0Phone function<\/span><\/strong><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 4 SIP line<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Multi-language selection (Chines\/ English\/ Turkish\/<\/span><br \/><span style=\"font-size:14px;font-family:\">Korean\/ Russian\/ Traditional Chinese\/ French\/<\/span><br \/><span style=\"font-size:14px;font-family:\">Italian\/ German\/ Portuguese\/ Polish\/ Thai\/ Hindi\/<\/span><br \/><span style=\"font-size:14px;font-family:\">Arabic\/ Japanese\/ Spanish\/ Vietnamese )<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Caller ID with display name<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Custom DSS key, BLF monitoring, hotline, speed dial<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Handle\/ hands-free\/ headphone mode<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Call hold, mute, blind transfer, inquiry transfer<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 DND, call forwarding, call waiting<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Multicast, intercom, text message, keypad lock,<\/span><br \/><span style=\"font-size:14px;font-family:\">emergency call<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Direct IP call, redial, callback, auto answer<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Five-party conference, line sharing, dialing rules<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 10 types of built-in ringtones\/ Upload custom<\/span><br \/><span style=\"font-size:14px;font-family:\">ringtones<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Manually or automatically synchronize network time<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Action URL &amp; Action URI<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\"><strong>Audio characteristics<\/strong><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 High-fidelity sound quality: HD handle,<\/span><br \/><span style=\"font-size:14px;font-family:\">HD hands-free<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Broadband codec: G.722, Opus<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Narrowband codec: G.711(A\/\u03bc), G.723.1,G.729AB, G.726, iLBC<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 DDTMF: In-band transmission (In-band),Out-of-band transmission (RFC 2833),SIP INFO<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Full-duplex hands-free<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Acoustic Echo Cancellation (AEC)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Voice Activity Detection (VAD)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Comfort noise generation (CNG)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Packet loss compensation (PLC)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Background noise detection (BNE)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Automatic gain control (AGC)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Dynamic adaptive RTP jitter buffer up to 300ms<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\"><strong>Address book<\/strong><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Local contacts<\/span><br \/><span style=\"font-size:14px;font-family:\">(1000 entries can be stored)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Blacklist<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 XML\/LDAP address book<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Contact smart search<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Contact export\/import<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Call history: dialed\/received\/missed\/<\/span><br \/><span style=\"font-size:14px;font-family:\">forwarded calls(1200 records in total)<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\"><strong>IP PBX Features<\/strong><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 BLF,voice message<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Anonymous call, anonymous call rejection<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Call park,Call pickup<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Server-based recording function<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\"><strong>Configuration and maintenance<\/strong><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Web configuration<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Phone configuration<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Automatic deployment: Support FTP\/<\/span><br \/><span style=\"font-size:14px;font-family:\">TFTP\/HTTP\/HTTPS\/SIP PnP\/TR-069<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 BIN\/CFG configuration export\/import<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Contact export\/import<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 CSTA remote control<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Network packet capture and diagnosis<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 reset<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 System firmware upgrade<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\"><strong>Network characteristics<\/strong><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Support IPv4 \/ IPv6 \/ IPv4&amp;IPv6<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 IP address allocation mode: Static IP \/ DHCP<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Virtual Local Area Network: VLAN<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Data link layer protocol: CDP \/ LLDP<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 SIP v1 (RFC2543), v2 (RFC3261)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Support redundant servers<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Support ICE, STUN (NAT session traversal)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Support UDP\/ TCP\/ TLS transmission<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Support SRTP encryption protocol<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 SIP trust serve (anti-attack mechanism)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 HTTP\/HTTPS<\/span><br \/><span style=\"font-size:14px;font-family:\">\u2022 TR-069 network management protocol<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 SNTP automatically synchronizes network<\/span><br \/><span style=\"font-size:14px;font-family:\">dates and times<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 QoS: QoS: 802.1p\/Q tagging (VLAN), Layer3\/<\/span><br \/><span style=\"font-size:14px;font-family:\">ToS\/ DSCP<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 HTTPS certificate management<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Support configuration file encryption<br \/><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Support information verification mechanism<br \/><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 RTCP-XR, VQ-RTCPXR<br \/><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 OpenVPN, IEEE802.1X<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\"><strong>Phone interface<\/strong><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 1 x RJ-9 (4P4C) handle interface<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 1 x RJ-9 (4P4C) headset interface<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 2 x RJ-45 10\/100M adaptive Ethernet port<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 DC power interface<\/span><br \/><span style=\"font-size:14px;font-family:\">\u2022 USB2.0 interface<\/span><\/p>\n<p><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\"><strong>Product Specifications<\/strong><\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Phone main screen: 2.4-inch color LCD display<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Information indicator: LED red light<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Phone keyboard:<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">&#8211; 4 SIP line keys (with LED lights, programmable)<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">&#8211; 4 customizable soft keys<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">&#8211; 12 standard telephone number keys<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">&#8211; 6 function keys headset, voice message, mute, call<\/span><br \/><span style=\"font-size:14px;font-family:\">forwarding, redialing, hands-free<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">&#8211; 5 navigation keys<\/span><br \/><span style=\"font-size:14px;font-family:\">&#8211; 2 volume up\/down adjustment keys<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Color: business gray<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Installation method: Desktop\/ Wall-mounted<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Desktop size: 187mm*184mm*147mm<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Phone power consumption:2~3W<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 PoE: IEEE 802.3af\/IEEE 802.3at<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Working environment humidity: 10~95%<\/span><\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><span style=\"font-size:14px;font-family:\">\u2022 Working temperature: -10~50\u00b0 C (+14~122\u00b0 F)<\/span><\/p>\n<\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><img decoding=\"async\" src=\"https:\/\/redvoztelecom.com\/wp-content\/uploads\/ali-desc\/Hca5a02a38e314f409b8fdcbfb8b70668C.jpg\"  title=\"\"   alt=\"Hca5a02a38e314f409b8fdcbfb8b70668C IP Telephone \/ IP Phone \/ VoIP SIP Phones T790PWN Support 4 SIP Lines and WIFI For IP PBX Application\"  \/><\/p>\n<\/p>\n<p style=\"font-family:Arial;font-size:12px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px\" align=\"start\"><img decoding=\"async\" src=\"https:\/\/redvoztelecom.com\/wp-content\/uploads\/ali-desc\/Sb9a97385af7543da85a839483f622e2bG.png\"  title=\"\"   alt=\"Sb9a97385af7543da85a839483f622e2bG IP Telephone \/ IP Phone \/ VoIP SIP Phones T790PWN Support 4 SIP Lines and WIFI For IP PBX Application\"  \/><\/p>","protected":false},"excerpt":{"rendered":"<p class=\"qua-blog-post-description\">High Quality Multi-Languages VoIP Phone Support 4 SIP\u00a0and WiFi\u00a0(2.4G in default ) IP \/ SIP Phone Model: sip-T790PWN ( 4 SIP\u00a0accounts and support WiFi ) 2.4-inch colored LCD display screen 4 SIP lines,paperless electronic paper turning Encrypted call (OpenVPN\/TLS\/SRTP) Noise reduction HD sound quality Can be equipped with USB recording\/WiFi Advanced remote address book management 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