by 3rd call do you mean over the internet? if the answer is yes, then I wouldn't be surprised. another thing what codec are you using?
On 12/6/07, jorain <[EMAIL PROTECTED]> wrote: > Hi all, > > We are using > - a dell sc440(Single dual-core intel xeon 3040, 1.86GHz,1066MHz front size > bus 2MB cache) as the asterisk server > - dell 400sc(Intel P4) as a SER server > - digium isdn card, TE120P at Asterisk server > - Bandwidth: 2Mbps/512kbps > > All SIP Phones are registered to SER server, and SER will route all outgoing > calls to Asterisk server. My problem is the sound quality goes down if more > than 3 concurent calls to PSTN. > > Logically i think our system and bandwidth are more than enough to handle 3 > concurent calls, but as the 4th person use it, the sound become jerky and a > bit delay. So how can we improve the sound quality? > > > Thanks > > Regards, > jorain > > _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
