Key Features and BenefitsHD AudioYealink 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 ManagementThe 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 ProvisioningThe 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 interoperabilityThe 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.
Audio Features- HD voice: HD handset, HD speaker
- Wideband codec: AMR-WB (optional), Opus, G.722
- Narrowband codec: G.711(A/µ), G.729AB,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
Phone Features- 3 SIP accounts
- Call hold, mute, DND
- One-touch speed dial, hotline
- Call forward, call waiting, call transfer
- Group listening, SMS
- Redial, call return, auto answer
- Local 3-way conferencing
- Direct IP call without SIP proxy
- Ring tone selection/import/delete
- Set date time manually or automatically
- Dial plan, off hook hot line
- XML Browser, Action URL/URI
- Integrated Screenshots
- RTCP-XR, VQ-RTCPXR
- Enhanced DSS Key
Directory- Local phonebook up to 1000 entries
- Black list
- XML/LDAP remote phonebook
- Smart dialing
- Phonebook search/import/export
- Call history: dialed/received/missed/forwarded
IP-PBX Features- Busy Lamp Field (BLF)
- Bridged Line Apperance (BLA)
- Anonymous call, anonymous call rejection
- Hot-desking, emergency call
- Message Waiting Indicator (MWI)
- Voice mail, call park, call pickup
- Intercom, paging, music on hold
- Call completion, call recording
- Flexible seating
- Executive and Assistant
- Centralized call recording
- Visual voice mail
Display and Indicator- 132 x 64-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
- Multilingual user interface
- Caller ID with name and number
- Power saving
Feature Keys- 3 line keys with LED
- 5 features keys: message, headset, redial, tran, hands-free speakerphone
- 6 navigation keys
- Volume control keys
Interface- 2 x RJ45 10/100M Ethernet ports
- Power over Ethernet (IEEE 802.3af), class 2
- 1 x RJ9 (4P4C) handset port
- 1 x RJ9 (4P4C) headset port
Other Physical Features- Color: Black
- Wall mountable
- External Yealink AC adapter (optional): AC 100~240V input and DC 5V/600mA output
- Power consumption (PSU): 0.8-1.4W
- Power consumption (PoE): 1.3-2.1W
- Dimension (W*D*H*T): 209mm*188mm*150mm*41mm
- Operating humidity: 10~95%
- Operating temperature: -10~50°C (+14~122°F)
Management- 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
Network and Security- SIP v1 (RFC2543), v2 (RFC3261)
- Call server redundancy supported
- NAT traversal: 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
Package Features- Package content:
- Yealink SIP-T23G IP phone
- Handset with handset cord
- Ethernet Cable (1.5m CAT5E UTP Cable)
- Stand
- Quick Start Guide
- Power Adapter (Optional)
- Qty/CTN: 10 PCS
- N.W/CTN: 11.3 kg
- G.W/CTN: 12.4 kg
- Giftbox size: 215mm*200mm*118mm
- Carton Meas: 615mm*436mm*208mm