1. VOIP Telephone Adapter with 1 FXS and 1 FXO Port
2. ATA Solution with a PSTN V oIP Gateway
3. SIPv2 Protocol v2 (RFC 3261, 3262, 3263, 3264)
4. Call Waiting,Transfer,Call Forwarding: No Answer / Busy / All
5. Call Return,Call Back on Busy,Call Blocking with Toll Restriction
6. G.711a/u, G.726, G.729, and G.723.1 Voice codec
7. Supports Fax Tone Detection and Pass-Through (Using .711)
8. Web-based configuration through a built-in web server

More...