[asterisk-users] asterisk performance

[C F]

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 <jorain at caliber.com.sg> 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
>
>