Thanks Are you using these to connect isdn phones to the voip or to as a gateway to the pstn for a voip system ?
Kind regards Gaetan On 08/09/2009, at 19:40, Jorge Mendoza wrote: > 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 _______________________________________________ -- 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