[Asterisk-Users] Latency on bridged PRI calls
Rod Bacon
rod.bacon at empoweredcomms.com.au
Thu Oct 6 21:02:06 MST 2005
Upon closer inspection, I don't think my system ever tries to establish a zaptel
native bridge. Is there somewhere where this function is enabled/disabled?
==========================================
Rod Bacon
Empowered Communications
Ground Floor, 102 York St. South Melbourne
Victoria, Australia. 3205
Phone: +613 99401600 Fax: +613 99401650
FWD: 512237 ICQ: 5662270
==========================================
Rod Bacon wrote:
> Nobody has been able to answer this. Not even Digium at this stage, but
> I'm hoping someone here, smarter than I, will be able to.
>
> We are running some TE406P (upgraded 405Ps) cards performing mainly PRI
> bridged calls.
>
> After a server is brought up, calls sound absolutely perfect.
>
> Over time, delay (latency) creeps into the calls. What is really weird
> about that is apparently with the new Digium firmware, the native bridge
> is pushed down to the card, meaning the call never leaves the card
> (never hits the PCI bus).
>
> If this is the case, the latency must be being introduced in the
> card/driver.
>
> A restart of asterisk with removal/reload of the card driver fixes the
> problem (temporarily).
>
> This is in a production environment, and this is driving me insane. I'm
> about to try Sangoma cards, as I feel I'm really getting nowhere.
>
>
>
>
>
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