[asterisk-users] Asterisk 1.4.6 crash using queue app

[equis software]

I'm using Queue app with Asterisk 1.4.6

It was working 5 days without problems and then it crash.
When I did #gdb asterisk core.xxx
I see...
#0  ast_senddigit_end (chan=0x0, digit=54 '6', duration=0) at channel.c:2691
#1  0xb780c7d5 in agent_answer (ast=0x925cb78) at chan_agent.c:398
#2  0x08081877 in ast_senddigit (chan=0x57, digit=54 '6') at channel.c:2692
#3  0x0805d20d in ast_dtmf_stream (chan=0x925cb78, peer=0xb6a2d0e0,
    digits=0xb6940bf4 "6", between=100) at app.c:243
#4  0xb79086ca in ast_bridge_call (chan=0xb6a2d0e0, peer=0x925cb78,
    config=0xb69424d4) at res_features.c:1473
#5  0xb6e011ae in try_calling (qe=0xb6942784,
    options=0x925cb78
"@`\201·\2205&\bùN#\t\003O#\t(r)¬\023\b(r)¬\023\b(r)¬\023\bèN#\tØN#\t\200",
announceoverride=0xb694270e "", url=0xb694270d "",
    go_on=0xb6942770, agi=0x0) at app_queue.c:2651
#6  0xb6df9fda in queue_exec (chan=0xb6a2d0e0, data=0xb694270e) at lock.h
:532
#7  0x080c315b in pbx_extension_helper (c=0xb6a2d0e0, con=0x0,
    context=0xb6a2d260 "telpin-112", exten=0xb6a2d2b0 "80", priority=10,
    label=0x0, callerid=0xb6a22e08 "402385", action=E_MATCHMORE) at pbx.c
:532
#8  0x080c3e21 in __ast_pbx_run (c=0xb6a2d0e0) at pbx.c:2288
#9  0x080c4cc1 in pbx_thread (data=0x0) at pbx.c:2601
#10 0x080f3679 in dummy_start (data=0x0) at utils.c:545
#11 0xb7e9413d in pthread_join () from /lib/libpthread.so.0
#12 0xb7cfa1ba in profil () from /lib/libc.so.6

Any ideas??
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