SS7外呼不了,呼叫过程如下:
......
-- Called 119.6.38.162/013778780087
-- Got SIP response 482 "Loop Detected" back from 119.6.38.162
-- Now forwarding SIP/8748279922-095e16e8 to 'Local/013778780087@default' (thanks to SIP/119.6.38.162-095fe710)
-- Executing [013778780087@default] Set("Local/013778780087@default-0391,2", "CALLERID(num)=65532000") in new stack
-- Executing [013778780087@default] Dial("Local/013778780087@default-0391,2", "SS7/ls1/013778780087||o") in new stack
-- chan_ss7: isup_send_iam: ISDN_H324M is not set.
-- Sent IAM CIC=126 ANI=65532000 DNI=013778780087 RNI=65532000
-- Called ls1/013778780087
-- SS7 hangup 'SS7/ls1/126' CIC=126 Cause=21 (state=7)
== Everyone is busy/congested at this time (1:0/0/1)
== Auto fallthrough, channel 'Local/013778780087@default-0391,2' status is 'CHANUNAVAIL'
-- Local/013778780087@default-0391,1 is circuit-busy
== Everyone is busy/congested at this time (1:0/1/0)