> i followd ur way, now i saw that msg on asterisk log > > [Jun 16 16:32:35] WARNING[27331] chan_ss7.c: MTP is now DOWN on link 'l1'. > [Jun 16 16:32:35] NOTICE[27331] mtp.c: MTP changeover last_ack=4, > last_sent=4, from schannel 1, no INSERVICE schannel found > [Jun 16 16:32:35] NOTICE[27331] mtp.c: Failover not possible, no > other signalling link and no other host available. > [Jun 16 16:32:36] NOTICE[27331] mtp.c: Sending TRA to peer on link 'l1'.... > [Jun 16 16:32:45] WARNING[27331] mtp.c: No SLTA received within Q.707 > timer T1, trying again on link 'l1'. do you have L1 up? send us "wanrouter status" >>> I am having problm chan_ss7 and sangoma 108d card, can any one help >>> me. My telco is using Time Slot 1 as a singnal channel and 16 th >>> time slot is delta what is mean by "delta" channel? --------------------------------------- Marek Cervenka =======================================