[cisco-voip] Dropping RTP packets?? (Kevin Dunn)

[Jonathan Charles]

Do an extended ping, are you losing packets, are you losing packets
consistently?

If you are, then you have a routing loop or a dupe IP....

Why do you think you don't?


Jonathan

On Wed, Mar 26, 2008 at 12:27 PM, Kristján Ólafur Eðvarðsson
<kristjan at sensa.is> wrote:
> No I´m afraid it is not so easy.
>
>
>
>  -----Original Message-----
>  From: Jonathan Charles [mailto:jonvoip at gmail.com]
>  Sent: 26. mars 2008 13:39
>  To: Kristján Ólafur Eðvarðsson
>  Cc: cisco-voip at puck.nether.net
>  Subject: Re: [cisco-voip] Dropping RTP packets?? (Kevin Dunn)
>
>  Routing loop or duplicate IP of the gateway on the network.
>
>
>  Jonathan
>
>  On Wed, Mar 26, 2008 at 5:21 AM, Kristján Ólafur Eðvarðsson
>  <kristjan at sensa.is> wrote:
>  > Hello Kevin,
>  >
>  >  Can you tell me if this voice quality issue is one way or both ways ?
>  >
>  >  I´m dealing with very similar problem with 2821 as h.323 voice gateway
>  >  connecting to PRI ISDN to Telco. There is sometimes oneway quality issues
>  >  for outbound calls where the called party is experiencing the same issue
>  >  that you mentioned. The IP phone user does not notice any voice quality
>  issues.
>  >  I have a Cisco TAC case going on and some sniffing from the ethereal
>  going on as the isdn debug and the PRI lines seem good.
>  >
>  >  regards. Kristjan Edardsson
>  >  Sensa ehf. Cisco Gold Partner
>  >  ------------------------------
>  >
>  >  Message: 2
>  >  Date: Tue, 25 Mar 2008 16:51:45 -0500
>  >  From: "Kevin Dunn" <cheesevoice at gmail.com>
>  >  Subject: [cisco-voip] Dropping RTP packets??
>  >  To: "Cisco Voice" <cisco-voip at puck.nether.net>
>  >  Message-ID:
>  >         <84b74aec0803251451j5a7a943dlcaad11ed7d67afee at mail.gmail.com>
>  >  Content-Type: text/plain; charset="iso-8859-1"
>  >
>  >  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
>  >
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>