Thread 9 (Thread 135069710 (LWP 9574)):
#0  0x401f8594 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x401f8358 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0x401f9a6b in __pthread_lock () from /lib/libpthread.so.0
#3  0x401f6b5d in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40746620 in pj_mutex_lock () from /usr/local/freeswitch/mod/mod_pjsip.so
#5  0x40730ee7 in pjsip_dlg_dec_lock () from /usr/local/freeswitch/mod/mod_pjsip.so
#6  0x407390db in pjsip_inv_terminate () from /usr/local/freeswitch/mod/mod_pjsip.so
#7  0x40718b55 in mod_pjsip_telephone_type_from_sdp () from /usr/local/freeswitch/mod/mod_pjsip.so
#8  0x4002c134 in switch_core_session_run (session=0x41e28160) at src/switch_core.c:2185
#9  0x4002d0bf in switch_core_session_thread (thread=0x41e2ac00, obj=0x41e28160) at src/switch_core.c:2575
#10 0x400942f0 in dummy_worker () from /usr/local/freeswitch/lib/libapr-1.so.0
#11 0x401f5df1 in pthread_start_thread () from /lib/libpthread.so.0
#12 0x4031a5fa in clone () from /lib/libc.so.6

Thread 8 (Thread 131079 (LWP 1149)):
#0  0x40313fc1 in select () from /lib/libc.so.6
#1  0x40099188 in __JCR_LIST__ () from /usr/local/freeswitch/lib/libapr-1.so.0
#2  0x40803280 in ?? ()
#3  0xbedffa74 in ?? ()
#4  0x00000000 in ?? ()

Thread 7 (Thread 114694 (LWP 1148)):
#0  0x401f8594 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0x401f8358 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0x401f9a6b in __pthread_lock () from /lib/libpthread.so.0
#3  0x401f6b5d in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0x40746620 in pj_mutex_lock () from /usr/local/freeswitch/mod/mod_pjsip.so
#5  0x40730e6e in pjsip_dlg_inc_lock () from /usr/local/freeswitch/mod/mod_pjsip.so
#6  0x40732025 in pjsip_dlg_on_rx_request () from /usr/local/freeswitch/mod/mod_pjsip.so
#7  0x40733197 in pjsip_tsx_get_dlg () from /usr/local/freeswitch/mod/mod_pjsip.so
#8  0x40725ae9 in pjsip_endpt_cancel_timer () from /usr/local/freeswitch/mod/mod_pjsip.so
#9  0x4072a06d in pjsip_tpmgr_receive_packet () from /usr/local/freeswitch/mod/mod_pjsip.so
#10 0x4072a5a0 in pjsip_tpmgr_dump_transports () from /usr/local/freeswitch/mod/mod_pjsip.so
#11 0x407487ec in ioqueue_dispatch_read_event () from /usr/local/freeswitch/mod/mod_pjsip.so
#12 0x4074a335 in pj_ioqueue_poll () from /usr/local/freeswitch/mod/mod_pjsip.so
#13 0x407256c7 in pjsip_endpt_handle_events2 () from /usr/local/freeswitch/mod/mod_pjsip.so
#14 0x40725780 in pjsip_endpt_handle_events () from /usr/local/freeswitch/mod/mod_pjsip.so
#15 0x4071cd57 in switch_module_runtime () from /usr/local/freeswitch/mod/mod_pjsip.so
#16 0x4002e7fc in switch_loadable_module_exec (thread=0x8066a30, obj=0x8066828) at src/switch_loadable_module.c:73
#17 0x400942f0 in dummy_worker () from /usr/local/freeswitch/lib/libapr-1.so.0
#18 0x401f5df1 in pthread_start_thread () from /lib/libpthread.so.0
#19 0x4031a5fa in clone () from /lib/libc.so.6