We have some installations with smartnode 4554, (same tail echo cancellation) without problems so far.
Jorge Mendoza Gaëtan Minet wrote: > Hi > > Is anybody using these ? > > Gaetan > > > Begin forwarded message: > >> *From: *Gaëtan Minet <gminet...@mcit.be <mailto:gminet...@mcit.be>> >> *Date: *Sat 22 Aug 2009 16:29:42 GMT+02:00 >> *To: *Asterisk Users Mailing List - Non-Commercial Discussion >> <asterisk-users@lists.digium.com >> <mailto:asterisk-users@lists.digium.com>> >> *Subject: **[asterisk-users] Patton smartnode 463x (BRI) 25ms tail >> echo cancellation* >> *Reply-To: *Asterisk Users Mailing List - Non-Commercial Discussion >> <asterisk-users@lists.digium.com >> <mailto:asterisk-users@lists.digium.com>> >> >> Hi all >> >> We use pci/pci-e BRI cards in our installations. Due to echo problems >> (that was before Oslec and others), we quickly switched to cards with >> hardware-based EC. >> So we use exclusively Digium B410p cards that provide 64ms tail EC. >> >> For several reasons we'd like to switch to external BRI gateways like >> the Patton smartnodes (the price is getting really close to a B410p). >> >> I'm however curious about their HW EC. I see in the datasheets that it >> only has 25ms tail per channel (pri are 128ms, but not BRI). >> Are some of you using these gateway and do your experience (many) >> echo problems on calls ? >> >> Our other alternative is to use sangoma cards that have 128ms HW EC >> and seem more stable overall, but it is yet a bit more expensive. >> >> Thanks for your feedback. >> >> Regards, >> Gaetan >> >> >> _______________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> AstriCon 2009 - October 13 - 15 Phoenix, Arizona >> Register Now: http://www.astricon.net >> >> asterisk-users mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-users > > ------------------------------------------------------------------------ > > _______________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > AstriCon 2009 - October 13 - 15 Phoenix, Arizona > Register Now: http://www.astricon.net > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- AstriCon 2009 - October 13 - 15 Phoenix, Arizona Register Now: http://www.astricon.net asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users