PCBEST NETWORK SIP Proxy

Support NAT traversal via STUN & symmetric RTP
Interoperable with various 3rd party SIP end user device, Proxy/Registrar/Server, and gateway products
Advanced Software Digital Signal Processing (DSP) to ensure superb hi-fidelity audio quality
Advanced and patent pending adaptive jitter buffer control, packet delay & loss concealment technology
Support popular vocoders including G.711 (a-law and u-law), G.726, GSM, iLBC(20ms and 30ms) and Speex.
Dynamic negotiation of codec and voice payload length
Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)
Support DIGEST authentication and encryption using MD5 and MD5-sess.

Please contact us for proxy demo.