[asterisk-ss7] Asterisk + chan_ss7 2.2.0 no voice problem

[Amr Adel]

Hello

                Kindly, I need your assist as I have installed chan_ss7
with asterisk and got no voice on calls although asterisk is working fine
With sip I am using

-sangoma A104de

-dahdi 2.6.6

-Asterisk 1.6.2

-chan_ss7 2.2.0

Also I get *NOTICE[22933]: mtp.c:1993 mtp_thread_main: Full dahdi input
buffer detected, incoming packets may have been lost on link 'l1'
(count=65.)*

At the beginning of an incoming call is it related to my case?

You can find my config files attached
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