RE: (PM) Call routing effects K56Flex ????

Phil Taylor (Phil@lansystems.co.uk)
Thu, 20 Nov 1997 10:06:53 -0000

Maybe the USR x2 bit is a red herring, but if Ascend's pause a lot
longer than PM3's the original analysis could still prove correct. (I
will wait to see what LE come up with)

Cheers

Phil

> ----------
> From: Stephen Fisher[SMTP:lithium@cia-g.com]
> Reply To: Stephen Fisher
> Sent: 19 November 1997 22:09
> To: Phil Taylor
> Cc: 'portmaster-users@livingston.com'
> Subject: Re: (PM) Call routing effects K56Flex ????
>
>
> On Wed, 19 Nov 1997, Phil Taylor wrote:
>
> > Although their tests have been in-conclusive they think that the
> problem
> > could be due to the fact that there is a slight delay in each switch
> in
> > the chain actually completing the call whereas the PM3 is answering
> > immediately, therefore the very beginning of the v8bis tone is being
> > missed which is causing the modems to not negotiate a K56Flex
> > connection.
>
> USR TC's doing X2 don't even have a V.8 tone and the Ascends pause a
> lot
> longer than the PM3 before making the V.8 noise (the Ascends have a
> weird
> sounding ringback tone first) then pause longer before doing the
> normal
> V.34 type connection.
>
>
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