Great, thanks, that was the information I was looking for.
--- Rich Adamson <[EMAIL PROTECTED]> wrote: > > Has anyone done Voice Over Frame Relay with > Asterisk. > > With Frame Relay work reliably with Asterisk? Any > > experiences? > > If you're talking about transporting voip calls > across a path that > includes frame relay links, yes it works just fine > "if" you frame > network is not congested. > > Frame relay networks can and _may_ drop packets if > the traffic exceeds > the committed information rate (cir), depending upon > exactly how your > provider has their frame switches configured. > Dropped packets is less > of an issue now in frame networks then what they use > to be, and the > primary reason for that is the abundance of > inexpensive bandwidth > currently deployed between frame switches. > > There is a pecking order in terms of which packets > are candidates > for being dropped, with broadcast traffic being high > on that list. > It is very difficult to determine exactly where > packets are dropped > as you (the user) are never notified by the frame > provider when/if > they dropped any in their switches. And, if they do > drop packets > you won't be able to detemine whether those that > were dropped were > in fact broadcast packets or tcp/udp packets, etc. > The BECN and > FECN counts can be used to determine if the frame > provider is > recognizing whether you exceeded your cir rate, > however in most > real world implementations a BECN or FECN does _not_ > translate > into a dropped packet (at least in the US). > > You might want to download Qcheck (it was originally > written by NetIQ > but spun off to another company now) to evaluate the > end-to-end > bandwidth. Its a free utility that will help > determine what is > actually available in terms of bandwidth. > > If your frame network is congested, you might be > able to implement > QoS at the border routers to give some preference to > voip packets. > > Rich > > > _______________________________________________ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > > http://lists.digium.com/mailman/listinfo/asterisk-users > __________________________________ Celebrate Yahoo!'s 10th Birthday! Yahoo! Netrospective: 100 Moments of the Web http://birthday.yahoo.com/netrospective/ _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users