SIP Gateway

Product Introduction:

SIP Gateway is provided by Yealink Network Technology Co Ltd,a major Interphones supplier in Broadcast & Telecom wholesale industry in China.You can check out the specification of SIP Gateway below or get any optional result clicking into the following keywords and you can check the authentications and testimonials of SIP Gateway .

Description:
Supports SIP 2.0 (RFC 3261), PPPoE, STUN, DHCP (both client and server) One FXO, one FXS, one WAN and one LAN port Support various voice codes including G.711U, G.711A, G.729A, G.726 Built-in router, NAT, gateway, LAN pass and DMZ port forwarding Supports caller ID/name display or block Supports call hold, call waiting, call forwarding and call transfer Supports in-band and out-of-band DTMF transfer Dial plans, dial tone, busy tone, ring back tone, alert tone can be set Supports silence suppression, VAD, CNG, line echo cancellation (G.168), AGC and QoS Supports standard encryption and authentication (DIGEST using MD5 and MD5-sess) Supports automated NAT traversal without manual manipulation of firewall/NAT Supports firmware upgrade via TFTP, FTP and HTTP Make/Receive both VoIP calls and regular PSTN calls Auto-detection and auto-switch to VoIP or PSTN calls Phone rings for all incoming VoIP and PSTN calls VoIP or PSTN calls selected by phone key (**) or (#)