when i call a number that it is not available Asterisk is not able to release because there is inbadinfo:
P[ 1] read_config: Getting Config
P[ 1] * CALL: g:trunk_m1/07211836600
P[ 1] I SEND:SETUP oad:08281962102 dad:07211836600 pid:22
– Called g:trunk_m1/07211836600
P[ 1] I IND :NEW_CHANNEL oad:08281962102 dad:07211836600 pid:22 state:CALLING
P[ 1] I IND :SETUP_ACKNOWLEDGE oad:08281962102 dad:07211836600 pid:22 state:CALLING
P[ 1] I IND :ALERTING oad:08281962102 dad:07211836600 pid:22 state:CALLING_ACKNOWLEDGE
P[ 1] Starting Tones, we have inband Data
– mISDN/1-u63 is ringing
P[ 1] I IND 
ISCONNECT oad:08281962102 dad:07211836600 pid:22 state:ALERTING
P[ 1] --> Inband Info Avail, not sending RELEASE
But I cant hear inband only ringback tone!!!
It is asterisknow running 1.4.22
Any help is appreciated.
regards