[asterisk-users] TC400B and show transcoder

[Ben Dinnerville]

Andres wrote:

>>
> Try to compare the frame size you are receiving from asterisk and set 
> your phone to transmit the same frame size.  I would guess the card 
> appears to have problems when the frame size is different.  Please try 
> and report back.  I am curious about this.

The problem occurs when we have external (pstn) calls coming into / out 
of the system (via an iax trunk), in which case we have no control over 
frame size, as well as occurring with handsets directly connected to the 
system.