On Thursday 24 Jun, 2010, at 10:43 PM, marek cervenka wrote: >>>>>> 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 > > patch is in > https://issues.asterisk.org/view.php?id=17372 Works great ! Thank you. Regards, - vma .