2x16 characters LCD with backlight.
Voice codec: G.711, G.729AB, G.726, G.723.1 and GSM.
Supports SIP 2.0 and NAT transverse: STUN mode.
2xRJ45 ports with router built-in, one for internet, one for PC.
Yealink SIP-T9CM is a feature-rich, cost-effective SIP phone specially designed for ITSPs, small to medium businesses and residential application. It supports 3 user accounts, auto-provision and PoE as well as zero configuration and easy maintenance. As the basic model of the Yealink SIP phones, SIP-T9CM offers high quality audio, a broad range of voice codes and rich telephone features to general level users. Due to its excellent cost-performance ratio and high performance, it is absolutely a good choice for you!
＆#8226; Two RJ45 ports with router built-in, one for internet, one for PC.
＆#8226; Voice codec: G.711, G.729AB, G.726, G.723.1/iLBC and GSM.
＆#8226; Supports SIP 2.0 and NAT transverse: STUN mode.
＆#8226; 2X16 characters LCD with backlight.
SIP v1(RFC2543), v2(RFC3261)
Registrar Server: 3 SIP user accounts
Power over Ethernet optional
Outbound Proxy mode
Peer-to-peer SIP link mode
G.711, G.723.1/iLBC, G.726, G.729AB and GSM
VAD, CNG, AEC
Packet Loss Compensation
Adaptive Jitter Buffer
Redial and Flash
Ring Tone Selection
Direct IP call without SIP proxy
Dial number via SIP server
Dial URL via SIP server
HTTP 1.1 basic/digest authentication for Web setup
MD5 for SIP authentication (RFC 2069/RFC 2617)