(gdb) bt
#0  0x00000000004a25d1 in tzload (name=0x4f71cf "posixrules", sp=0x40629200, doextend=0) at stdtime/localtime.c:299
#1  0x00000000004a1d69 in tzparse (name=0x4061ee06 "CEST,M3.5.0,M10.5.0/3", sp=0x40629200, lastditch=<value optimized out>) at stdtime/localtime.c:818
#2  0x00000000004a2f43 in tzload (name=<value optimized out>, sp=0x1e441ec0, doextend=1) at stdtime/localtime.c:457
#3  0x00000000004a31db in ast_tzset (zone=0x1e3cfc88 "Europe/Madrid") at stdtime/localtime.c:1036
#4  0x00000000004a408c in ast_localtime (timep=0x4062eb18, tmp=0x40629200, zone=0x0) at stdtime/localtime.c:1147
#5  0x00002aaac8e5916e in vmu_tm (vmu=0x1e3cfc30, tm=0x4062f630) from /usr/lib/asterisk/modules/app_voicemail.so
#6  0x00002aaac8e5c5e2 in make_email_file (p=0x1e35f140, srcemail=<value optimized out>, vmu=0x4063ce90, msgnum=3, context=0x4063ce90 "default",
    mailbox=0x4063cee0 "00000201302", cidnum=0x1e409800 "974356600", cidname=0x1e3d7b70 "974356600",
    attach=0x40630790 "/var/spool/asterisk/voicemail/default/00000201302/INBOX/msg0003", format=0x4062f710 "wav", duration=25, attach_user_voicemail=2048,
    chan=0x2aaad0005d50, category=0x0, imap=0) from /usr/lib/asterisk/modules/app_voicemail.so
#7  0x00002aaac8e5efa3 in notify_new_message (chan=0x2aaad0005d50, vmu=0x4063ce90, msgnum=3, duration=25, fmt=<value optimized out>,
    cidnum=0x1e409800 "974356600", cidname=0x1e3d7b70 "974356600") from /usr/lib/asterisk/modules/app_voicemail.so
#8  0x00002aaac8e63b5c in leave_voicemail (chan=0x2aaad0005d50, ext=<value optimized out>, options=0x4063dca0)
   from /usr/lib/asterisk/modules/app_voicemail.so
#9  0x00002aaac8e63da8 in vm_exec (chan=0x2aaad0005d50, data=0x4063fd50) from /usr/lib/asterisk/modules/app_voicemail.so
#10 0x000000000047fd8d in pbx_extension_helper (c=0x2aaad0005d50, con=<value optimized out>, context=0x2aaad0005fa0 "macro-callextennodialstatus",
    exten=0x2aaad0005ff0 "s", priority=23, label=<value optimized out>, callerid=0x1e409800 "974356600", action=E_SPAWN) at pbx.c:537
#11 0x00000000004801c3 in ast_spawn_extension (c=0x4f71cf, context=0x0, exten=0x1 <Address 0x1 out of bounds>, priority=9, callerid=<value optimized out>)
    at pbx.c:2317
#12 0x00002aaac9c9e57a in _macro_exec (chan=0x2aaad0005d50, data=<value optimized out>, exclusive=0) from /usr/lib/asterisk/modules/app_macro.so
#13 0x000000000047fd8d in pbx_extension_helper (c=0x2aaad0005d50, con=<value optimized out>, context=0x2aaad0005fa0 "macro-callextennodialstatus",
    exten=0x2aaad0005ff0 "s", priority=5, label=<value optimized out>, callerid=0x1e409800 "974356600", action=E_SPAWN) at pbx.c:537
#14 0x00000000004801c3 in ast_spawn_extension (c=0x4f71cf, context=0x0, exten=0x1 <Address 0x1 out of bounds>, priority=9, callerid=<value optimized out>)
    at pbx.c:2317
#15 0x00002aaac9c9e57a in _macro_exec (chan=0x2aaad0005d50, data=<value optimized out>, exclusive=0) from /usr/lib/asterisk/modules/app_macro.so
#16 0x0000000000477885 in pbx_exec (c=0x2aaad0005d50, app=0x2aaabc077810, data=0x406485e0) at pbx.c:537
#17 0x00002aaacd155753 in realtime_exec (chan=0x2aaad0005d50, context=0x2aaad0005fa0 "macro-callextennodialstatus", exten=0x2aaad0005ff0 "s",
    priority=<value optimized out>, callerid=<value optimized out>, data=<value optimized out>) from /usr/lib/asterisk/modules/pbx_realtime.so
#18 0x00000000004800b8 in pbx_extension_helper (c=0x2aaad0005d50, con=<value optimized out>, context=0x40629200 "", exten=0x2aaad0005ff0 "s", priority=1,
    label=0x0, callerid=0x1e409800 "974356600", action=E_SPAWN) at pbx.c:1873
#19 0x000000000048207c in __ast_pbx_run (c=0x2aaad0005d50) at pbx.c:2317
#20 0x0000000000482d09 in pbx_thread (data=0x4f71cf) at pbx.c:2636
#21 0x00000000004ac01c in dummy_start (data=<value optimized out>) at utils.c:867
#22 0x00000037a4006307 in start_thread () from /lib64/libpthread.so.0
#23 0x00000037a34d1ded in clone () from /lib64/libc.so.6