bt:
#0  0x08063b91 in ast_bridged_channel (chan=0x8fb2b38) at channel.c:3275
#1  0x0057e495 in mixmonitor_thread (obj=0x900ad58) at app_mixmonitor.c:157
#2  0x009f1371 in start_thread () from /lib/tls/libpthread.so.0
#3  0x0083d9be in clone () from /lib/tls/libc.so.6


bt full:
#0  0x08063b91 in ast_bridged_channel (chan=0x8fb2b38) at channel.c:3275
        bridged = (struct ast_channel *) 0x34363730
#1  0x0057e495 in mixmonitor_thread (obj=0x900ad58) at app_mixmonitor.c:157
        next = Variable "next" is not available.