[Asterisk-Users] IVR Menu and VoiceMail quality

[Jay Milk]

AFAIK, it's needed anytime asterisk streams audio... Which is meetme,
MOH and of course voicemail and IVR.  My Asterisk system had lousy IVR
quality until I plugged in the FXO card and loaded Zaptel.

> -----Original Message-----
> From: Chris Shaw [mailto:chriss at watertech.com] 
> Sent: Friday, July 09, 2004 3:11 PM
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] IVR Menu and VoiceMail quality
> 
> 
> I thought it was only needed for MeetMe and MOH?
> ----- Original Message ----- 
> From: "Jay Milk" <jay at skimmilk.net>
> To: <asterisk-users at lists.digium.com>
> Sent: Friday, July 09, 2004 12:21 PM
> Subject: RE: [Asterisk-Users] IVR Menu and VoiceMail quality
> 
> 
> > Do you have ztdummy loaded?
> > 
> > > -----Original Message-----
> > > From: Chris Shaw [mailto:chriss at watertech.com]
> > > Sent: Friday, July 09, 2004 1:14 PM
> > > To: asterisk-users at lists.digium.com
> > > Subject: [Asterisk-Users] IVR Menu and VoiceMail quality
> > > 
> > > 
> > > I have really tried to do my best googling and wiki-reading
> > > before asking this question. I couldn't find the answers 
> > > there so I throw myself at the mercy of the list...
> > > 
> > > I get excellent quality for SIP -> PSTN and PSTN -> SIP
> > > calls, however when I or anyone else calls from PSTN -> * the 
> > > voice menus are oftentimes very choppy. Sometimes they are 
> > > absolutely perfect and I cannot tell that it's actually VoIP. 
> > > Sometimes it's so bad that I can't understand what Allison's 
> > > saying at all... Calls on the same network sound just fine... 
> > > I know what you're thinking, it's a congested link, and that 
> > > may be but I've noticed that if I play with the nice value of 
> > > asterisk, it seems to help. Setting nice to 0 seems to work 
> > > the best, I tried -20 and it was the worst...
> > > 
> > > I have implemented QoS on my network and have given any and
> > > all asterisk packets priority. As I said actual calls are 
> > > crystal clear so I believe it to be a problem with Asterisk 
> > > itself or the machine it's running on. Possibly some 
> > > bottleneck somewhere. I realize that since it's going over 
> > > the public internet, the occasional dropped packet is to be 
> > > expected, but what's frusterating is that I can get crystal 
> > > clear menus sometimes even when my network is fully loaded 
> > > and other times when it's perfectly quiet it sounds 
> > > absolutely horrible...
> > > 
> > > Here are the machine's specs if that helps:
> > > 
> > > AMD Athlon 1Ghz (Old Thunderbird core)
> > > Asus A7V600
> > > 128MB DDR-266 RAM
> > > 450GB storage (4 IDE drives in an LVM array) *grin*
> > > Pure VoIP, no digium hardware
> > > 
> > > Internet connection is cable with 3Mbit downlink and 256Kbit 
> > > uplink...
> > > 
> > > As I said earlier I wouldn't have even asked, but it dosen't
> > > seem to be totally bandwidth related so I'm wondering if 
> > > anyone has any ideas...
> > > 
> > > Chris Shaw
> > > IS Manager
> > > Water Tech Industries
> > > Phone: (888)-254-8412
> > > Fax: (503)-261-9118
> > > E-Mail: chriss at watertech.com
> > > 
> > > _______________________________________________
> > > Asterisk-Users mailing list
> > > Asterisk-Users at lists.digium.com
> > > http://lists.digium.com/mailman/listinfo/aster> isk-users
> > > To 
> > > UNSUBSCRIBE or update options visit:
> > >    
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> > 
> > 
> > _______________________________________________
> > Asterisk-Users mailing list
> > Asterisk-Users at lists.digium.com 
> > http://lists.digium.com/mailman/listinfo/asterisk-users
> > To UNSUBSCRIBE or update options visit:
> >    http://lists.digium.com/mailman/listinfo/asterisk-users
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com 
> http://lists.digium.com/mailman/listinfo/aster> isk-users
> To 
> UNSUBSCRIBE or update options visit:
>    
http://lists.digium.com/mailman/listinfo/asterisk-users