(gdb) bt
#0  0xb6e7057e in gtalk_alloc (client=0x81c92c0, us=0x8181d44 "kamisalami@gmail.com/asterisk77EDE750", them=0xb6ce7ff7 "dlangr@gmail.com", sid=0x0) at chan_gtalk.c:844
#1  0xb6e72e2e in gtalk_request (type=0xb6ce8110 "gtalk", format=64, data=0xb6ce8c78, cause=0xb6ce8cc8) at chan_gtalk.c:1495
#2  0x0807ec94 in ast_request (type=0xb6ce8110 "gtalk", format=64, data=0xb6ce8c78, cause=0xb6ce8cc8) at channel.c:2856
#3  0xb6fb81cd in dial_exec_full (chan=0x81f8b00, data=0xb6ceafe8, peerflags=0xb6ce8e54) at app_dial.c:1073
#4  0xb6fbac3e in dial_exec (chan=0x81f8b00, data=0xb6ceafe8) at app_dial.c:1645
#5  0x080ae9b9 in pbx_exec (c=0x81f8b00, app=0x81c0660, data=0xb6ceafe8) at pbx.c:503
#6  0x080b17db in pbx_extension_helper (c=0x81f8b00, con=0x0, context=0x81f8c80 "local", exten=0x81f8cd0 "333", priority=1, label=0x0, callerid=0x81dd388 "", action=E_SPAWN)
    at pbx.c:1707
#7  0x080b28a0 in ast_spawn_extension (c=0x81f8b00, context=0x81f8c80 "local", exten=0x81f8cd0 "333", priority=1, callerid=0x81dd388 "") at pbx.c:2162
#8  0x080b2d70 in __ast_pbx_run (c=0x81f8b00) at pbx.c:2262
#9  0x080b3ac9 in pbx_thread (data=0x81f8b00) at pbx.c:2475
#10 0x080ea9dc in dummy_start (data=0x81dd4c8) at utils.c:545
#11 0xb7ee934b in start_thread (arg=0xb6cedba0) at pthread_create.c:306
#12 0xb7d1665e in clone () from /lib/libc.so.6