Yealink SIP-T48G

Product Overview
15
 Codecs and Voice Features
- Wideband codec: G.722
- Narrowband codec: G.711, G.726, G.729, iLBC, G723 (G723 is not applicable 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 arrray, 360 degree vocie pickup (only applicable to CP860
IP phones)
 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
 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
- HTTPS (server/client)
- SRTP (RFC 3711)
- Transport Layer Security (TLS)
- VLAN (802.1q), QoS
- Digest authentication using MD5/MD5-sess
- Secure configuration file via AES encryption
- Phone lock for personal privacy protection