Yealink SIP-T2 Series, Administrator'S Manual

Page: 38 / 1009

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
16
auto answer.
-
Advanced Features: BLF, server redundancy, distinctive ring tones, remote
phone book, LDAP.

Codecs and Voice Features
-
Wideband codec: G.722, Opus (Opus is only applicable to SIP VP-T49G/T27G IP
phones)
- Narrowband codec: G.711, G.726, G.729, iLBC, G723 (G723 is not applicable to
SIP-T40P/T27P/T27G/T23P/T23G/T21(P) E2/T19(P) E2 IP phones)
-
VAD, CNG, AEC, PLC, AJB, AGC
-
Full-duplex speakerphone with AEC
-
Built in microphone array, 360 degree voice pickup (only applicable to CP860
IP phones)

Video Features (only applicable to SIP VP-T49G IP phones)
- Video codec: H264HP, H264 and H263
- Image codec: JPEG, PNG, BMP
- Adaptive bandwidth adjustment
-
Video Resolution: Full-HD 1080P at 30fps (1920x1080)

Network Features
- SIP v1 (RFC 2543), v2 (RFC 3261)
- NAT Traversal: STUN mode
- DTMF: INBAND, RFC 2833, SIP INFO
- Proxy mode and peer-to-peer SIP link mode
-
IP assignment: Static/DHCP/PPPoE (PPPoE is not applicable to
SIP-T42G/T41P/CP860 IP phones)
- VLAN assignment: LLDP/Static/DHCP/CDP
- Bridge mode for PC port (not applicable to CP860 IP phones)
-
HTTP/HTTPS server
- DNS client
- NAT/DHCP server
- IPv6 support
- Wi-Fi (only applicable to SIP VP-T49G/SIP-T48G IP phones)

Management
- FTP/TFTP/HTTP/PnP auto-provision
- Configuration: browser/phone/auto-provision
- Direct IP call without SIP proxy
- Dial number via SIP server
- Dial URL via SIP server