hello all, i have installation of asterisk-1.2.15 with zaptel-1.13 with chan_ss7-0.9. I have my ss7.conf as below. [linkset-syncra] enabled => yes enable_st => no use_connect => yes hunting_policy => even_mru subservice => auto language => en context => default [link-l1] linkset => syncra channels => 1-15,17-31 schannel => 16 firstcic => 1 enabled => yes echocancel=allways echocan_taps=32 echocan_train=350 [host-test1] enabled => yes opc => 1390 dpc => syncra:1312 links => l1:1 If i make call to the asterisk from sip or iax i get good audio, but after waiting for the t7 timer of 25 secs the call is dropped with this message. l4isup.c:868 t7_timeout: T7 timeout (waiting for ACM or CON) CIC=30. If i made the call i get good audio, however, the call only lasted the for mostly 25 secs period of t7_timeout. and on my Master.csv. I get the call as "NO ANSWER" . please what parameter can i toggle with to increase the t7 timer and to make the call disposition to be ANSWERED as long as the call lasted more than 20secs. Goksie