[asterisk-users] Fwd: Re: Asterisk T.38 Pass-Through doesn't work

Larry Moore lmoore at omninet.net.au
Mon Jul 22 20:52:17 CDT 2013


On 23/07/2013 6:18 AM, Kevin Larsen wrote:
> The a=T38MaxBitRate issue you refer to was one that was actually
> discovered at my company and submitted by a colleague. It was fixed in
> 11.3.0 and 1.8.21.0. However, I think that it wouldn't help based on the
> description below being that the parameter was missing altogether. I
> think if that parameter is missing, then the code would in fact default
> to 2400 as a safe value.
>

The Case Insensitive checking of the T.38 attributes was introduced in 
these versions.

Looking at the ITU-T T.38 Implementors' Guide (11 May 2012)in Table H.2, 
if the T38MaxBitRate attribute is omitted they suggest using the default 
value, they indicate a default value of 14400.

Larry.



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