[asterisk-users] NVFaxDetect causing segfault

[Shamus Rask]

AstLinux v0.7.6
Asterisk v1.4.39.1

I have found that in some recent version of Asterisk v1.4, NVFaxDetect has
started to cause segfaults on my system. I am using the following code in
extensions.conf:

> [incoming]
> exten => 7057974880,1,Answer
> exten => 7057974880,n,NVFaxDetect(4|t)
> exten => 7057974880,n,Dial(${7941_C}&${9133_K},20,okt)
> exten => 7057974880,n,VoiceMail(u701 at default)
>
> exten => fax,1,Dial(IAX2/iaxmodem)
> exten => fax,1,Hangup
>

[incoming] is my IAX2 trunk from my VoIP provider. Faxes used to work in the
manner, but on some recent upgrade they started to produce the following
errors in /var/log/messages:

> Feb 21 21:24:51 pbx user.info kernel: asterisk[2457]: segfault at 8 ip
> 400a5625 sp 9d5fb46c error 4 in libuClibc-0.9.28.so[4006e000+44000]
>

My questions are the following:

   1. Has anyone else seen similar problems with NVFaxDetect?
   2. Can anyone offer any insight/explanation?
   3. Is it true that Digium is sidelineing IAX2 and only focusing on SIP?
   Should I be looking to migrate to SIP trunks instead?


cheers,
   S.
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