[asterisk-users] Choppy sound with chan_capi + Fritz Card USB

[Christoph Rothe]

Hi Everyone,

Google IS my friend. I found the solution via Google on the second 
glance ;-)

It seems that the USB latency was too high and you had to increase a 
CAPI-Buffersize in chan_capi.h:

#define CAPI_MAX_B3_BLOCK_SIZE 500

(German instructions: http://www.ip-phone-forum.de/showthread.php?t=117614)

Christoph

>Hi everybody,
>
>I have a problem which I cannot eliminate on my own. Has anybody any idea
>for the following:
>
>I am using the asterisk-version from Debian-Testing (1.2.13) with the
>latest chan_capi (also tried an older version). 
>
>When using the Capi-Channel, everything works fine except from the sound
>it sounds extremely choppy and is unusable :-(
>
>When e.g. capisuite is used for fax, everything sounds fine...
>
>I found the following when using capi debug:
>
>ISDN1#02: too much voice to send for NCCI=0x10101
>
>Google finds nothing relevant for this error message :-(
>
>Has anybody any idea ?
>
>Christoph
>  
>

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