Yealink SIP-T31P

• Yealink HD Səs
• 2.3” 132x64-pixel graphical LCD with backlight 
• Two-port 10/100M Ethernet Switch
• PoE support 
• Opus codec support 
• Up to 2 SIP accounts 
• Local 5-way conferencing 
• Support EHS Wireless Headset 
• Unified Firmware
• Support YDMP/YMCS 
• Stand with 2 adjustable angles 
• Wall mountable

Displey və İndikator:

• 2.3” 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 
• Multilingual user interface 
• Caller ID with name and number 
• Power saving

Xüsusiyyət düymələri:

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

İnterfeys:

• 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

Audio Xüsusiyyətlər:

• HD voice: HD handset, HD speaker 
• Smart Noise Filtering 
• Wideband codec: Opus, G.722 
• Narrowband codec: G.711(A/μ), G.723.1, G.729, G.729A, 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

Şəbəkə və Təhlükəsizlik:

• 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

Telefon Xüsusiyyətləri:

• 2 VoIP accounts 
• Call hold, mute, DND 
• One-touch speed dial, hotline 
• Call forward, call waiting, call transfer 
• Group listening, SMS, emergency call 
• Redial, call return, auto answer 
• Local 5-way conferencing 
• Direct IP call without SIP proxy 
• Ring tone selection/import/delete 
• Set date time manually or automatically 
• Dial plan 
• XML Browser, action URL/URI 
• Integrated screenshots 
• RTCP-XR, VQ-RTCPXR 
• Enhanced DSS Key

Directory:

• Loal 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 Xüsusiyyətləri:

• Busy Lamp Field (BLF), Bridged Line Apperance (BLA) 
• Anonymous call, anonymous call rejection 
• Hot-desking, voice mail 
• Flexible seating 
• Call park, call pickup 
• Executive and Assistant 
• Centralized call recording 
• Visual voice mail 
• Call recording

İdarəetmə:

• 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