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

[Jonathan Charles]

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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