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Re: Inter-CO signaling?
someone here in our office was saying you can extract this out of the modem after and during the call. Consult your modem manual for specific directions, but I think they said it was at&v1 - jared On Thu, Sep 10, 1998 at 03:09:45PM -0400, Robert E. Seastrom wrote: > > RBS is often run on B8ZS/ESF too. > > The reason it is not commonly run on inter-office trunks is because of > a remarkable new innovation called SS7. Perhaps you have heard of it. > > Anyway, since the bits in robbed-bit signaling are "robbed" from the > superframe not from your DS0, it is irrelevant to your throughput. > > From: Chad Skidmore <firstname.lastname@example.org> > > RBS is often times run on on AMI D4 circuits. Also, RBS is generally > not run on inter-office trunks. > > At least that was the case a few months ago when I worked on a DMS-500. > > > From: Robert E. Seastrom [mailto:email@example.com] > > of course, robbed bit signalling and AMI have nothing to do > > with one another... > > > > > > From: Chad Skidmore <firstname.lastname@example.org> > > > > Try making an ISDN call from one to the other at a 64k > > rate. If you can > > get through then there are at least some trunks setup as > > ESF B8ZS clear > > channel. I suspect that they are probably some older > > trunks running AMI > > D4. > > > > > From: Dan Hollis [mailto:email@example.com] > > > > > > > > > Is there any way to determine if inter-telco links are using > > > robbed bit > > > signaling? Eg from GTE to USwest in the Seattle area. > > > > > > I suspect RBS may be causing lots of v.90 problems in > > GTE country in > > > Seattle. But id like to know how to confirm this. And just > > > maybe, get it > > > fixed. -- Jared Mauch | pgp key available via finger from firstname.lastname@example.org | http://puck.nether.net/~jared/