Product Details
- Support 2.0 (RFC3261) and correlative RFCs- Support IAX2- Support 2 SIP lines- Codec:G.711A/u, G.723.1 high/low,G.729 a/b, G.722.1,G.726- Support HD voice- Soft keys programmable- Hard function key reprogrammable- SIP application:support call forward/tr