VSmart Pro Make a telephone call with clear, high-quality voice communication in a variety of network conditions.
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VSmart Pro Description

From VocalSmart : VSmart is a light weight, full featured SIP based softphone. VSmart is fully compatible with our standalone IP phone product lines, as they share the same code base. VSmart delivers clear, high-quality voice communication in a variety of network conditions. Excellent voice quality in challenging IP network environments is made possible via our advanced implementation of voice coding and prioritization algorithms. VSmart is interoperable with common telephony equipment like IP phone, voice mail, IP PBX systems. Key Features: Support SIP 2.0, RTP/RTCP. Support popular voice coders including G.729, G.723, G.711 (a-law and u-law), G.726 (40K/32K/24K). Superb audio quality: advanced adaptive jitter control and packet loss concealment technology. Support Caller ID/name display or block, Hold, Call Waiting, Call Transfer, Call Forward, in-band and out-of-band DTMF, Dial Plans, three way conference. Support Call Waiting Caller ID with Name/Number. Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Echo Cancellation, and AGC (Automatic Gain Control). Support standard encryption and authentication (DIGEST using MD5 and MD5-sess). Support automated NAT traversal without manual manipulation of firewall/NAT. Interoperable with various 3rd party SIP end user device, Proxy/Registrar/Server, and gateway products.

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