VoIP Protocols: SIP V2 |
Supply dynamic DNS service |
Line Echo Cancellation |
NAT Transversal and Router functions |
Support IP voice stream to via a recording server |
Highly stable embedded Linux operating system |
Voice Code: g711(alaw/ulaw), g729, g723.1 |
Auto adapt jitter buffer |
Router |
Voice activity detection (VAD) |
On line firmware upgrade |
Multi-language: English and Chinese |