Do you have ztdummy loaded? > -----Original Message----- > From: Chris Shaw [mailto:[EMAIL PROTECTED] > Sent: Friday, July 09, 2004 1:14 PM > To: [EMAIL PROTECTED] > 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: [EMAIL PROTECTED] > > _______________________________________________ > Asterisk-Users mailing list > [EMAIL PROTECTED] > http://lists.digium.com/mailman/listinfo/aster> isk-users > To > UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
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