[asterisk-ss7] No ringback tone on incoming calls with chanss7

[marek cervenka]

>>>> Which version of asterisk are you running? I upgraded to 1.6.2.8 (from
>>>> 1.6.2.7) and now have ringback!
>>>> Hope this help you too.
>>> 
>>> 
>>> Thank you for your update. I have also updated from 1.6.2.7 to 1.6.2.8
>>> but it haven't changed anything for me :-(
>
> i have the same problem
> asterisk 1.6.2.9+ chan_ss7 1.4.1

the problem is probably somewhere in indication code. after downgrade to 
1.6.2.1 ringback tone works

i'm trying compare 1.6.2.9/1.6.2.1 indication code

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Marek Cervenka
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