Yealink SIP-T54S Administrator's Manual page 42

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
to CP860 and CP920 IP phones).
- Basic Features: DND, auto redial, live dialpad, dial plan, hotline, caller identity, 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-
-
T54S/T52S/T48S/T46S/T42S/T41S/T40P/T40G/T27G/T23P/T23G/T21(P) E2/T19(P)
E2/CP920 IP phones)
Narrowband codec: G.711, G.726, G.729, iLBC, G723 (G723 is only applicable to SIP-
-
T54S/T52S/T48G/T48S/T46G/T46S/T42G/T42S/T41P/T41S/T29G/T27G/CP860/CP92
0 IP phones)
- VAD, CNG, AEC, PLC, AJB, AGC
- Full-duplex speakerphone with AEC
Built in microphone array, 360 degree voice pickup ( applicable to CP860/CP920 IP
-
phones)
Network Features

SIP v1 (RFC 2543), v2 (RFC 3261)
-
NAT Traversal: STUN, TURN and ICE
-
DTMF: INBAND, RFC 2833, SIP INFO
-
- Proxy mode and peer-to-peer SIP link mode
IP assignment: Static/DHCP
-
VLAN assignment: LLDP/Static/DHCP/CDP
-
- Bridge mode for PC port (not applicable to CP860/CP920 IP phones)
HTTP/HTTPS server
-
DNS client
-
NAT/DHCP server
-
- IPv6 support
Wi-Fi (only applicable to SIP-
-
T54S/T52S/T48G/T48S/T46G/T46S/T42S/T41S/T29G/T27G/CP920 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
-
TR-069
-
Security

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