#0  sip_read (ast=0xb56270a8) at chan_sip.c:3044
#1  0x0806707c in ast_read (chan=0xb56270a8) at channel.c:1943
#2  0xb723d4db in dial_exec_full (chan=0x82b2470, data=<value optimized out>, peerflags=0xb5b6d7d8, continue_exec=0x0) at app_dial.c:556
#3  0xb723f5b1 in dial_exec (chan=0x82b2470, data=0xb5b6d8e2) at app_dial.c:1670
#4  0x080863e1 in pbx_exec (c=0x82b2470, app=0xb7528d98, data=0xb5b6d8e2, newstack=1) at pbx.c:574
#5  0xb7ac314c in handle_exec (chan=0x82b2470, agi=0xb5b6eed8, argc=3, argv=0xb5b6e8d8) at res_agi.c:1085
#6  0xb7ac4ab2 in agi_exec_full (chan=0x82b2470, data=<value optimized out>, enhanced=0, dead=1) at res_agi.c:1801
#7  0x0808fd28 in pbx_extension_helper (c=0x82b2470, con=<value optimized out>, context=<value optimized out>, exten=0x82b26b4 "02203965679", priority=2, label=0x0,
    callerid=0x81f2c20 "(R-\b\220Šy\b\020", action=1) at pbx.c:574
#8  0x08091a8e in __ast_pbx_run (c=0x82b2470) at pbx.c:2250
#9  0x080926bc in pbx_thread (data=0x82b2470) at pbx.c:2537
#10 0xb7f73240 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0xb7e4f3de in clone () from /lib/tls/i686/cmov/libc.so.6