2009/9/8 James Mutuku <listmut...@gmail.com> > I have 2 sites. One(Site 1) has an asterisk PBx and the Other(site 2) has 2 > remote soft phones. The latency btw both sites is btw 500ms-700ms. I know > this is a shot in the dark...but are there ways of improving the voice > quality for the remote calls(btw site 1 and site 2), Other than increasing > bandwidth? > > Hi,
The latency will result in long delay on the call and you can't do anything about that. I suppose its a VSAT link? With respect to the bandwidth all you can do is carefully select a low bandwidth codec. This will depend on the codecs that your soft phone supports. Speex can be tuned to use little bandwidth. G729 can be used with licensed codecs from Digium. Rumour is that G.723 is technically possible with some googling and provided that you have some sort of licence to use the G723 patent. Regards, Steve Davies
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