>>> "Yakout Esmat" <[email protected]> 07/31/09 3:17 PM >>>
<o:shapedefaults v:ext="edit" spidmax="1026" /> <![endif]--> <o:shapelayout v:ext="edit"> <o:idmap v:ext="edit" data="1" /> </o:shapelayout><![endif]-->>>Hi,<o:p></o:p> <o:p>>> </o:p> >>We all know that sipX doesn?t transcode and it doesn?tneed to which is great >>but in saying that can we set up a >>scenario like thisone:<o:p></o:p> <o:p> >></o:p> >>A sipX 4.0 server and a couple of Aastra phones on the LAN(Aastra phones are >>capable of doing G711 and G729 )<o:p></o:p> <o:p>>> </o:p> >>Can we set these up in a way that forces the phones touse alaw (g711) >>between each other over the LAN and use >>G729 over the SIP trunk(SIP trunk >>over DSL) to provider?<o:p></o:p> <o:p>>> </o:p> >>Thanks<o:p></o:p> <o:p> </o:p> <o:p>There are two ways we have accomplished this, the first is to see if your trunk provider can simply disabled all but G729 for your account. Many can.</o:p> <o:p></o:p> <o:p>We also do this with ingate devices becuase you can set the codecs on it as it rewrites the SDP.</o:p> <o:p></o:p> <o:p>-M </o:p> </[email protected]>
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