Yealink SIP-T23G Professional Gigabit IP Phone

Yealink SIP-T23G Bangladesh

Audio Features:

HD voice: HD handset, HD speaker, Wideband codec: G.722, Narrowband codec: G.711(A/μ), G.723.1, 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

Directory:

Local phonebook up to 1000 entries, Black list, XML/LDAP remote phonebook, Intelligent search method, Phonebook search/import/export, Call history: dialled/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

Display and Indicator:

132×64-pixel graphical LCD with backlight, LED for call and message waiting indication, Dual-colour (red or green) illuminated LEDs for line status information, Intuitive user interface with icons and soft keys, National language selection, Caller ID with name, number

Feature Keys:

3 line keys with LED, 5 features keys: message, headset, redial, transfer, hands-free speakerphone, 6 navigation keys, Volume control keys

Interface:

Dual-port Gigabit Ethernet, Power over Ethernet (IEEE 802.3af ), class 2, 1xRJ9 (4P4C) handset port, 1xRJ9 (4P4C) headset port

Other Physical Features:

Wall mountable, External universal AC adapter (optional), AC 100~240V input and DC 5V/600mA output, Power consumption (PSU): 0.72-1.56W, Power consumption (PoE): 0.96-1.98W, Dimension(W*D*H*T): 209mm*188mm*150mm*41mm, Operating humidity: 10~95%, Operating temperature: -10~50°C

Management

Configuration: browser/phone/autoprovision, Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy, Auto-provision with PnP, Zero-sp-touch, Phone lock for personal privacy protection, Reset to factory, reboot Packet trace, 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 synchronisation 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 using MD5/MD5-sess, Open VPN v2, IEEE802.1X, IPv6, Packet trace, system log

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