>>> 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 --------------------------------------- Marek Cervenka =======================================