[asterisk-users] interesting problem

[lenz]

So what is the middle name that causes problems? atre you sure you don't  
have "strange" characters in it, like spaces, nonprintables, weird  
encodings, etc?
l.



In data Wed, 17 Dec 2008 00:35:04 +0100, Eve Ellen Cole  
<ecole at mail.plymouth.edu> ha scritto:

> I’ve got an interesting problem and am wondering if anyone can shed  
> light …
>
> I am running Asterisk on RHEL Server release 5.2 connecting to an Avaya  
> Definity G3R via a Digium TE220.
>
> Asterisk 1.4.20
> Zaptel 1.4.4
> Libpri 1.4.4
> MySQL 5.0.45
>
> Festival Speech Synthesis System: 1.95
>
> We have about 4200 accounts in a MySQL db.  Asterisk retrieves the user  
> information from the database, festival tts says the name, then the  
> caller can leave a voicemail, which is then emailed to the user.  At  
> this time, the system only takes calls, no calls go out.
>
> The problem is that at times Asterisk doesn’t release the channel.   
> Messages in the log file show indicate the channel is busy.  The only  
> way I can find to get the channel to release is to restart Asterisk.
>
> [Dec 16 14:39:06] DEBUG[11141] chan_zap.c: Ring requested on channel 0/1  
> already in use or previously requested on span 1.  Attempting to  
> renegotiating channel.
>
> Since this is happening on a regular basis, I’ve been doing some  
> troubleshooting and can now predictably cause this problem.  It mainly  
> seems to happen with one particular mailbox, and festival seems to be a  
> factor.  When this particular mailbox is dialed, Asterisk goes through  
> the dialplan up to and including the Festival(${FULLNAME}) step, but not  
> beyond.  Just for yucks, I changed the fullname of the person with that  
> mailbox by taking out the middle name.  All seems to work fine without  
> the middle name.  If I put a middle initial or middle name, the channel  
> locks up again.  I’ve wondered if Festival has a problem with the length  
> of the name, but there are other students with longer names and this  
> problem doesn’t occur with their extensions.  Any thoughts?
>
> Dialplan
> exten => _5[14-9]XXX,1,Answer()
> exten => _5[14-9]XXX,n,Playtones(ring)
> exten => _5[14-9]XXX,n,MYSQL(Connect CONNID localhost asterisk  
> HG06e6kghpUjtGvnX asterisk)
> exten => _5[14-9]XXX,n,MYSQL(Query RESULTID ${CONNID}  Select 'fullname'  
> from voicemail_users Where mailbox=${EXTEN})
> exten => _5[14-9]XXX,n,MYSQL(Fetch FETCHID ${RESULTID} FULLNAME)
> exten => _5[14-9]XXX,n,MYSQL(Disconnect ${CONNID})
> exten => _5[14-9]XXX,n,GotoIf($[${FETCHID} = 1]?connect:disconn)
> exten => _5[14-9]XXX,n(connect),StopPlaytones()
> exten => _5[14-9]XXX,n,Wait(2)
> exten => _5[14-9]XXX,n,Playback(you-have-dialed)
> exten => _5[14-9]XXX,n,Playback(the-mailbox)
> exten => _5[14-9]XXX,n,Playback(for)
> exten => _5[14-9]XXX,n,Festival(${FULLNAME})
> exten => _5[14-9]XXX,n,VoiceMail(${EXTEN}@students)
> exten => _5[14-9]XXX,n,Playback(goodbye)
> exten => _5[14-9]XXX,n,Hangup() exten =>  
> _5[14-9]XXX,n(disconn),Zapateller()
> exten => _5[14-9]XXX,n,Playback(you-dialed-wrong-number)
> exten => _5[14-9]XXX,n,Playback(check-number-dial-again)
> exten => _5[14-9]XXX,n,Playtones(congestion)
> exten => _5[14-9]XXX,n,Wait(3)
> exten => _5[14-9]XXX,n,Hangup()
>

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