Yealink SIP-T2 SERIES Administrator's Manual page 38

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
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 IP
phones)
Narrowband codec: G.711, G.726, G.729, iLBC, G.723 (G.723 is not applicable
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to SIP-T40P/T27P/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
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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
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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)
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Management

FTP/TFTP/HTTP/PnP auto-provision
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Configuration: browser/phone/auto-provision
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- Direct IP call without SIP proxy
Dial number via SIP server
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Dial URL via SIP server
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