[cisco-voip] Fwd: 7912

Aman Chugh aman.chugh at gmail.com
Thu Jul 24 14:17:27 EDT 2008


Thanks Ryan,

If I understand you correctly the Issue is with 7912G and not with 7912G-A ,
I will check the model of my phones and get back to you, I have had these
deployed over several sites but got complaints from only one remote site.

Aman


On 7/24/08, Ryan Ratliff <rratliff at cisco.com> wrote:
>
> What is the model number of the 7912 (cp-7912G vs cp-7912G-A)?
>
> The older 7912 models were susceptible to excessive unicast and broadcast
> traffic on the PC port (data vlan) which would cause the phone to drop
> packets.  This could appear as poor audio quality while on calls or random
> resets of the phone.  This is due to the software switch implemented in the
> original phones.  The later phones have a hardware switch that corrects this
> problem.
>
>
> If you don't have a 7912-A then open a TAC SR and RMA the phone.  You will
> receive a 7912A in return.
>
>  -Ryan
>
>  On Jul 24, 2008, at 8:45 AM, Aman Chugh wrote:
>
> Anyone.
>
> TIA
>
> Aman
>
> ---------- Forwarded message ----------
> From: Aman Chugh <aman.chugh at gmail.com>
> Date: Jul 23, 2008 11:26 PM
> Subject: 7912
> To: cisco-voip at puck.nether.net
>
>
>
>
> I am having voice quality issues ( voice breaking up ) lot of lost packets
> when I see on IP Phone page for the last conversation.Phones are connected
> to a non cisco switch (dlink). Phone load is 8.0.1 and CCM is 4.2. No drops
> on the Qos policy ,complaints coming only one site when talking on the wan
> with g.729.
>
>
> Aman
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>
>
>
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