[asterisk-users] FFA SendFax rejects T.38 reINVITE (488 Not acceptable here)

[David Backeberg]

On Tue, Oct 19, 2010 at 10:36 AM, VoIP Question <voip.question at gmail.com> wrote:
>   Hello,
>
> I'm trying to send a tif file, using Fax for Asterisk and the call is
> executed, but when I get the reINVITE with T.38 data, the local server
> doesn't recognize that we have this capability and sends a 488 message.

http://www.voip-info.org/wiki/view/Asterisk+sip+canreinvite

take a look at your canreinvite option.