Sell VOIP Phones (China)

Submitted on: 21 August, 2009 Expired

Description: VOIP Phones. Specification. - Mute processing/four wave processing. - RTP/RTCP voice channel. - Voice compression algorithm G.711A/U, G.729, G.723 and G.726. - Signal format : DTMF. - Echo suppression : G.165/G.168. - DTMF signal Learn More...

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