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(${ext...@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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