[Asterisk-Users] chan_capi and poor voice quality

[Peter Zeltins]

> Calling * via SIP produces very good sound. Calling * via the chan_capi
> produces horrible sound. However, if I dial 500 in the demo menu to
> connect to the IAX at digium the sound is good again. ie:
>
> ISDNCall->AVM-B1-Card->Asterisk = All prompts sound horrible
> SIP->Asterisk = Prompts are good

Stupid question... why don't you use I4L instead of chan_capi? I've wanted
to use chan_capi myself but due to lack of time haven't been able to get it
running yet. However I4L produces good audio quality, although I miss
extended ISDN features... I'm using AVM Fritz PCI card

Peter