Just curious, how are you handling "serialization delay", we to have 40
sites with a centralized CM enviorment on the Qwest VPN. Since Qwest doesn't
yet support MLPPP we experience intermittent voice problems on WAN-to-WAN
calls. Just vcurious.

Jim
""dj""  wrote in message
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> Has anyone deployed VoIP successfully across Qwest's WAN backbone?  I
> have 2 sites connected over Qwest's VPN service (consists of running
> IPSec over Qwest's MPLS backbone).   Qwest says they currently have no
> QOS support in backbone, but the backbone has huge capacity (OC-192
> pipes), which Qwest asserts should support VoIP apps.  Round trip ping
> times across the WAN are typically 50 msec.
>
> I have the traditional VoIP problem of excessive jitter causing poor
> voice quality.  Currently have 2621 routers at each site running WFQ wth
> Voice packets marked with IP precedence 5 for voice data, and IP
> precedence 3 for voice control.  I am considering re-configuring the
> routers to run  PQ-CBWFQ.
>
> If anyone has successfully got VoIP running successfully across this
> Qwest's backbone, I would be interested in hearing your approach and
> which config worked.  Even though the Qwest WAN has huge capacity, but
> no QOS support, can it really support real-time apps like VoIP???
>
> thanks,
> dj
>
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