Hi ,
I seen this many times , works different on other models, try changing the
IOS , I got E&M type 5,4 Wire working on 3662 with IOS 12.1T.
You may want to try this version .
""Clare, Charles"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
>
> I have an interesting issue with E&M type 5, 4 Wire, Immediate Start,
> signalling.
>
> NEC 7660 PABX connect 4 E&M Ports to 3662 router with NM-2V with 2 E&M
> Cards.
>
> E&M signalling not reliable.
>
> If I replace 3662 with MC3810 with 4 E&M Interfaces all works well
> If I replace 3662 with 1750-4V with 2 E&M Cards all works well
> If I replace 3662 with 2621 with NM-2V with 2 E&M cards performs like
3662.
>
> When I say not reliable router will only answer a call in E&M 50% of the
> time and require E&M to be hung up for 5 Seconds before another call
attempt
> can be made.
>
>
> Seen this type of response ?
>
> Running 12.1(5)T
>
>
> Charles
>
> CCNP-Voice,CCDP,MCSE+I
>
>
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