See my inlined comments !
Regards
Elias Aggelidis
CCNP, CVoice, Security
----- Original Message -----
From: "Amit Gupta" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, December 28, 2000 7:44 AM
Subject: Voice Over IP
> Hi everybody,
>
> I need assistance on the VoIP problem I am facing :
>
> We are planning to have a VoIP setup on the already
> existing data link between our local and remote
> office.
> Both sites have Cisco 3640 routers configured for it.
>
> The router on the local site has IOS 11.3(9)T and the
> remote router has 12.0(5)T1 on it.
Cisco is proposing to use the same IOS in every routers.
>
> Is it necessary for the routers at both ends be
> running a similar version of IOS for the Voice calls
> to be successful. What kind of upgrade is required?
FLASH, MEM
>
> Secondly the loopback test (hairpinning) was
> successful for the local site but a similar test at
> the remote site was unsuccessful.
> Could that be due to any signalling problems ?
Check your config !
>
> Thanks & Regards
>
> Amit
>
>
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