[cisco-voip] Dropping RTP packets??

[Kevin Dunn]

Impedance test and call to Telco resulted in following changes:

no input gain
no output attenuation
impedance 600r

all calls are up and live and clear...
Thank you very much Wes, as usual you are a lifesaver...

Kevin

On 3/25/08, Kevin Dunn <cheesevoice at gmail.com> wrote:
>
> thanks Wes I will give that a shot tomorrow
>
>
>
>
> On Tue, Mar 25, 2008 at 5:19 PM, Wes Sisk <wsisk at cisco.com> wrote:
>
> > On the IP Phone press the "i" or "?" twice while the call is up, it will
> > show counts of packets.
> >
> > Have you performed impedance matching on the analog line?
> >
> > http://www.cisco.com/en/US/tech/tk652/tk701/technologies_tech_note09186a0080477a06.shtml
> >
> >
> > keep in mind that the analog interface is just that - analog, no
> > packetization there.  'show call active voice' and 'show voice port' give
> > additional information while the call is active.
> >
> > /Wes
> >
> > Kevin Dunn wrote:
> >
> >   I just spent the day recabling a cluster &^%$( wire closet at our
> > remote site.  H323 Gateway with 7 incoming FXO lines.  They had some static
> > on the lines that were clean at demark and noisy by the time they got to the
> > 2821.  Now the lines are crystal clear (pat on back) but one line is now
> > dropping incoming packets (example: I say "1234567" they hear "12 45 7" it
> > is "sporatic and with the static so bad before it could have "always" been
> > happening.
> >
> > On a side note thie one line is their 800# which sends all calls to
> > IPCC.  I am running CCM 4.1.3 (sr6) and the gateways is 2821 H323.
> >
> > Voice-port configuration:
> >
> > voice-port 0/1/1
> > trunk-group 1
> > input gain 3
> > output attenuation 1
> > no vad
> > connection plar 3999 (to IPCC)
> >
> > I dont' think the issue is IPC, as there are three other lines that run
> > the PLAR 3999 command, and all work splendidly.
> >
> > QUESTION:  How can I check dropped packets on one FXO port?
> > is it a debug scheme?
> >
> > Thanks folks
> >
> > Kevin
> >
> >
> > ------------------------------
> >
> > _______________________________________________
> > cisco-voip mailing listcisco-voip at puck.nether.nethttps://puck.nether.net/mailman/listinfo/cisco-voip
> >
> >
>
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