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North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Inter-CO signaling?
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.
---Rob
From: Chad Skidmore <[email protected]>
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.
---------------------------------------------
Chad Skidmore
Director of Network Engineering
Northwest Nexus, Inc.
http://www.nwnexus.com
1-888-NWNEXUS
> -----Original Message-----
> From: Robert E. Seastrom [mailto:[email protected]]
> Sent: Thursday, September 10, 1998 11:08 AM
> To: [email protected]
> Cc: [email protected]
> Subject: Re: Inter-CO signaling?
>
>
>
> of course, robbed bit signalling and AMI have nothing to do
> with one another...
>
>
> From: Chad Skidmore <[email protected]>
> Cc: "'[email protected]'" <[email protected]>
> Date: Thu, 10 Sep 1998 10:47:04 -0700
> MIME-Version: 1.0
> X-Mailer: Internet Mail Service (5.5.1960.3)
> Content-Type: text/plain
> Sender: [email protected]
>
> 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.
>
> The other thing you could do is just ask them.
>
> ---------------------------------------------
> Chad Skidmore
> Director of Network Engineering
> Northwest Nexus, Inc.
> http://www.nwnexus.com
> 1-888-NWNEXUS
>
>
> > -----Original Message-----
> > From: Dan Hollis [mailto:[email protected]]
> > Sent: Wednesday, September 09, 1998 5:22 PM
> > To: '[email protected]'
> > Subject: Inter-CO signaling?
> >
> >
> > 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.
> >
> > -Dan
> >
>
>
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