Yealink HD Voice Enterprise HD IP Phone

Yealink SIP-T23G features intuitive user interface and enhanced functionality which make it easy for people to interact and maximize productivity. Yealink HD technology enables rich, clear, life-like voice communications, outsourced management options, flexible deployment and third-party communications applications. As a cost-effective IP solution, it helps users to streamline business processes, delivery a powerful, security and consistent communication experience for small and large offices environment.

Features:

• HD Audio: Yealink HD voice refers to the combination of software and hardware design as well as the implementation of wideband technology to maximize the acoustic performance. Coupled with advanced acoustic clarity technology such as full duplex, echo cancellation, adaptive jitter buffer etc., the SIP-T23G provides clearer, more lifelike voice communications.

• Enhanced Call Management: The SIP-T23G supports vast productivity-enhancing features such as XML Browser, call park, call pickup, BLF, call forward, call transfer, 3-way conference, which makes it the natural and obvious efficiency tool for today’s busy small and large offices environment.

• Efficient Installation and Provisioning: The Yealink SIP-T23G supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any complex manual settings, which makes the SIP-T23G simple to deploy, easy to maintain and upgrade.

• Highly secure transport and interoperability: The communicator uses SIP over Transport Layer Security (TLS/SSL) to provide service providers with the latest technology for enhanced network security. The range is certified compatible with 3CX and Broadsoft Broadworks, ensuring excellent compatibility with leading soft switch suppliers.

Specifications:

• HD voice: HD handset, HD speaker

• Wideband codec: AMR-WB (optional), Opus, G.722

• Narrowband codec: G.711(A/µ), G.729, G.726, iLBC

• DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO

• Full-duplex hands-free speakerphone with AEC

• VAD, CNG, AEC, PLC, AJB, AGC

• 132 x 64-pixel graphical LCD with backlight

• Dual-port Gigabit Ethernet

• Power over Ethernet (IEEE 802.3af), class 2

• 1 x RJ9 (4P4C) handset port

• Wall mountable

• External Yealink AC adapter (optional)： AC 100~240V input and DC 5V/600mA output

• Power consumption (PSU): 0.7-1.5W

• Operating temperature: -10~50°C (+14~122°F)

• Configuration: browser/phone/auto-provision

• Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy

• Auto-provision with PnP

• Zero-sp-touch, TR-069

• Phone lock for personal privacy protection

• Reset to factory, reboot

• Package tracing export, system log

• SIP v1 (RFC2543), v2 (RFC3261)

• Call server redundancy supported

• NAT traveral: STUN mode

• Proxy mode and peer-to-peer SIP link mode

• IP assignment: static/DHCP

• HTTP/HTTPS web server

• Time and date synchronization using SNTP

• UDP/TCP/DNS-SRV (RFC 3263)

• QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP

• SRTP for voice

• Transport Layer Security (TLS)

• HTTPS certificate manager

• AES encryption for configuration file

• Digest authentication

• OpenVPN, IEEE802.1X

• IPv6

• LLDP/CDP/DHCP VLAN

• ICE

• Dimension (W x D x H x T): 209mm x 188mm x 150mm x 41mm