> Up to 3 SIP accounts. > Simple, flexible and secure provisioning options.
> HD voice: HD handset, HD speaker. > DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO.
> Full-duplex hands-free speakerphone with AEC. > VAD, CNG, AEC, PLC, AJB, AGC.
> Call hold, mute, DND. > One-touch speed dial, hotline.> Call forward, call waiting, call transfer. > Redial, call return, auto answer. > Direct IP call without SIP proxy. > Set date time manually or automatically. > Dial plan, off hook hot line. > Local phonebook up to 1000 entries.
> Busy Lamp Field (BLF). > Bridged Line Apperance(BLA). > Anonymous call, anonymous call rejection. > Message Waiting Indicator (MWI).> Intercom, paging, music on hold. > Call completion, call recording. > 132x64-pixel graphical LCD with backlight. > LED for call and message waiting indication. > Dual-color (red or green) illuminated LEDs for line status information. > Intuitive user interface with icons and soft keys.
> Caller ID with name, number. > 3 line keys with LED. > 5 features keys: message, headset, redial, tran, hands-free speakerphone. >Power over Ethernet (IEEE 802.3af), class 2.
> 1xRJ9 (4P4C) handset port. > 1xRJ9 (4P4C) headset port.
> External universal AC adapter (optional)AC 100240V input and DC 5V/600mA output. > Power consumption (PSU): 0.72-1.56W. > Power consumption (PoE): 0.96-1.98W. > Auto provision via FTP/TFTP/HTTP/HTTPS.
> Reset to factory, reboot. > Package tracing export, system log. > SIP v1 (RFC2543), v2 (RFC3261). > NAT transverse: STUN mode.
> Proxy mode and peer-to-peer SIP link mode. > Time and date synchronization using SNTP. > QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP.
> Transport Layer Security (TLS). > AES encryption for configuration file. > Digest authentication using MD5/MD5-sess.
The item "Yealink SIP-T23G 3 Line HD VoIP PoE Phone-Power Supply Included FREE SHIPPING" is in sale since Friday, August 07, 2015. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "global-ip" and is located in Philadelphia, Pennsylvania.This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Chile, Colombia, Costa rica, Dominican republic, El salvador.