Thanks, I read that article. Seems like Trunking is a good thing, you said it really helps at 4+ calls. Does anybody have any reasons for not using Trunking? Any disadvantages?
----- Original Message ----- From: "Andrew Yager" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, July 04, 2004 9:32 AM Subject: Re: [Asterisk-Users] What is IAX Trunking? > On 04/07/2004, at 11:24 PM, Deon Rodden wrote: > > > Sorry, I've been on voip-info.org but I still can't get a clear > > definition > > of what IAX trunking is. It says you need the timing from a zaptel > > device > > (or ztdummy or zaprtc) to make it work, but nothing specific about > > what it > > is or what it does. Maybe I'm looking in the wrong place. > > The best place to look is: > > http://www.voip-info.org/wiki-Asterisk+bandwidth+iax2 > > But in a nutshell - IAX trunking allows multiple voice streams to share > a single "trunk" to another server, reducing overhead created by IP > packets. > > "This trunking eliminates the IP overhead found in individual VoIP IP > streams by pipelining RTP data from multiple calls into single (larger) > packets, thus removing the redundancy of IP overhead for each RTP > stream and more closely allowing bandwidth scaling as a function of > codec usage instead of a function of (codec usage + IP overhead.) Of > course, this mode can only be used if all the calls are between two > specific Asterisk servers, but this is frequently the case with > toll-avoidance situations or between two branch offices where there is > an Asterisk server at each location. " > > Andrew > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > _______________________________________________ Asterisk-Users mailing list [EMAIL PROTECTED] http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
