#4 and parts of #5 really point to no qos or shaping on the internet connection. if ntp cant sync in a reasonable period, clocks wont sync. sounds like an isp/shaping issue.
On Fri, Jul 29, 2011 at 10:42 AM, <[email protected]> wrote: > > --Please enter your response above this line-- > > I wanted answer some of the questions that have been asked, and hopefully > make the issue more clear. At this time it appears that at least part of > the issue is the internet download bandwith spiking. See below... > > 1) The customer states that inside calls are fine. > > 2) The call quality issue is only effecting the inside(customer) side of > the conversation. The remote user has no issues hearing the customer. Some > users report that they have had only minor breaks in the call quality, while > others have reported more severe breaks in the call. > > 3) We haven't checked the latency between the itsp and the sbc yet. The > itsp support was unavailable last night, but we can check that if needed. > > 4) The customer is on a 5 MB EIA circuit from > windstream that provides 5MB up and down. The ISP stated the signals > between the Central Office and the Telco's Equipment at the customer site > were good. However they sent a bandwith report with shows that the download > speed is spiking for extended periods of time from at least 3 to 4 MB. We > will be looking at what might be spiking this. > > 5) The issue transferring calls, only started yesterday (a couple of days > after the call quality issue and about 3 days after the internet upgrade > from 3Mb to 5Mb). It only started after we rebooted the phone switch, > ingate, voice poe switch, etc. I had pushed the profiles to the phones at > least twice to resolve some issues such as incorrect date/time. Everything > looked good until the customer called and stated that on one call they could > transfer fine, then on another the could not. > > what you are not providing is the lyncgpin in your problem... if you have a > quality issue, what xodecs are negotiated and what is the latency between > the sbc and the itsp? do you have the service quality module running in the > ingate? > > On Jul 28, 2011 6:59 PM, "Michael Picher" <[email protected]> wrote: > > You're running on some pretty old software... > > > > Calls in and out are not anchored on the server so the issue is either > > phone, network, internet or ISP related. Media should be flowing directly > > from Ingate to phone. Check for network loops or just enable spanning > tree. > > > > You may want to get things updated a bit... First update to sipXecs 4.0.5 > > and then on to 4.21 and 4.4.0. Make sure you are on Polycom 3.2.4b > firmware > > with 4.3.0 firmware. Check the wiki (wiki.sipfoundry.org) for help. > > > > I'd also thing about getting the Ingate up to date as well. Their support > / > > maint contracts are pretty reasonable. > > > > Mike > > On Jul 28, 2011 6:39 PM, <[email protected]> wrote: > >> _______________________________________________ > >> sipx-users mailing list > >> [email protected] > >> List Archive: http://list.sipfoundry.org/archive/sipx-users/ > > > > > > ------------------------------ > > > > > _______________________________________________ > sipx-users mailing list > [email protected] > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > -- ====================== Tony Graziano, Manager Telephone: 434.984.8430 sip: [email protected] Fax: 434.326.5325 Email: [email protected] LAN/Telephony/Security and Control Systems Helpdesk: Telephone: 434.984.8426 sip: [email protected] Helpdesk Contract Customers: http://support.myitdepartment.net <http://support.myitdepartment.net>Blog: http://blog.myitdepartment.net Linked-In Profile: http://www.linkedin.com/pub/tony-graziano/14/4a6/7a4 Ask about our voip fax services!
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