Thank you for reply, Larry!
On 06/03/2013 05:14 AM, Larry Moore wrote:
1) On SPA112 set FAX T38 Redundancy = 3
I have tried to change this value with no effect.
2) Add t38pt_usertpsource=yes in [mtt] section
This option take no positive effect for me, asterisk continues to use
ports from
On 06/03/2013 05:03 PM, Larry Moore wrote:
Have you checked the installed version of firmware against the latest
available from Cisco?
Oh! I didn't guess to check. The firmware was not fresh, but upgrading
doesn't help.
Looking at your SIP information when your ITSP initiated a T.38
session it
