asterisk users - Aug 2005 - ISDN BRI voice one way only

hi

PSTN <--> [Teles ISDN / Asterisk] <--> SIP client

When call is made through ISDN, no matter if taken from PSTN or
Asterisk side, person in PSTN side can hear perfectly but in Asterisk
side I only hear a very scrambled or very low quality voice, words
repeated several times. Same is with echo test (call taken from PSTN)

Setup:
* Teles 16.3 ISA ISDN card with hisax kernel module
* Asterisk 1.0.9 (debian unstable package) with isdn4linux
* Kernel 2.6.12 
* P2 - 333 Mhz / 512 Mb RAM

I found that some persons have had the same problem but no hint for
solution.  Does anybody know how to fix this?


rgrds,
Klem

Hi,

Klemens Kasemaa schrieb:
> hi
> 
> PSTN <--> [Teles ISDN / Asterisk] <--> SIP client
> 
> When call is made through ISDN, no matter if taken from PSTN or
> Asterisk side, person in PSTN side can hear perfectly but in Asterisk
> side I only hear a very scrambled or very low quality voice, words
> repeated several times. Same is with echo test (call taken from PSTN)
Get a CAPI module for your Teles and try chan_capi-cm from 
http://sourceforge.net/projects/chan-capi/

Regards,
Stefan

-- 
  (o_   Stefan Gofferje            | SCLT
  //\   Reg'd Linux User #247167   | VCP #2263
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