Would QoS on a managed switch solve the ARP problem? > -----Original Message----- > From: Alan Ferrency [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 01, 2006 7:27 AM > To: [email protected] > Subject: [Asterisk-Users] Re: TDM400P digium card > > "Nora Lavelle" <[EMAIL PROTECTED]> wrote: > > > Thanks dewey. Any feedback on how to debug this issue ? > > Regarding sound quality issues with Sipura SPA-841 phones and > Asterisk, please check out this page I created on the voip-info Wiki: > > http://www.voip-info.org/wiki/view/Asterisk+SPA-841+Sound+Quality > > Specifically, if you have not set the SPA-841's "RTP packet > size" and "Silence Suppression" parameters correctly, then > you _will_ have sound quality issues. > > After that: Are your phones sharing the same network segments > as your non-VoIP ethernet data? Do you have a lot of ethernet > traffic? We found that even on a fully switched network, if > the SPA-841's received excessive ARP traffic (which is > broadcast to all switch segments, even though most other > network packets are suppressed), we had periodic "robot > voice" sound issues. > > Check this out, and see if it helps. > > Thanks! > > Alan Ferrency > pair Networks, Inc. > [EMAIL PROTECTED] > > > _______________________________________________ --Bandwidth and Colocation provided by Easynews.com --
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