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In article <BARNETT.92Aug24091154@grymoire.crd.ge.com> barnett@crdgw1.ge.com writes:
>I am trying to get information on Unix versions of Standard Trunk
>Protocol (or System Trunk Protocol) - also known as STP. In
>particular, I am interested in free or commercial implementations of
>this protocol for UNIX systems.
>
>It is a telecom protocol over a 9.6kb link.
>
>Please repy by e-mail. Thanks.
>--
>Bruce Barnett <barnett@crd.ge.com> uunet!crdgw1!barnett


Bruce,

Since I saw you ask this question a few weeks ago I assume you aren't
getting too many responses, so I'll toss in my two cents worth.

I have never heard of "Standard Trunk Protocol" (or "System Trunk Protocol").
Not knowing what context you ask this question in I may be off the mark here
but let me point out a couple of things I do know.

In the public switched telephone network groups of trunks connecting switching
machines have their control signals (connect, disconnect,etc.) passed over
"out of band" data links.  These data links are typically 9.6K although they
can be 56K.  The protocols used are SS7 (Signalling System Seven) and  SS6. 
SS7 is not ubiquitous yet, SS6 is the norm.  SS6 is also reffered to as CCIS
which I beleive stands for Common Channel Interoffice Signalling.  These links
connect two main machine types; STP (Signal Transfer Point) and SSP 
(Service Switching Point).  

So in reading your message I wonder if you are not looking for the SS7 (or SS6)
protocol that is commonly used by STP's.  

Incidently I have been to your facility.  I work for SwitchView.  SwitchView is
a Unix based network management system for telephone networks.  Our system is
used to monitor your Northern Telecom PBX's.

Let me know if there is any thing I can do for you.

-- 
Vance Shipley 
vances@xenitec.on.ca   vances@ltg.uucp   ..uunet.ca!xenitec!vances