It takes about 30 seconds for osmocom-analog to terminate SIP call
Use the '-t 0' option on osmocom-analog. If this is not set, it will send reorder on the channel for 30 seconds after the mobile hangs up.
Use the '-t 0' option on osmocom-analog. If this is not set, it will send reorder on the channel for 30 seconds after the mobile hangs up.