Subj : Re: VOIP.ms Cheap VOIP & CallerID
To   : Tom Moore
From : poindexter FORTRAN
Date : Thu Apr 20 2023 06:52:00

-=> Tom Moore wrote to poindexter FORTRAN <=-

 TM> When I started out in voip we started by doing line services over sip
 TM> for these local phone systems by using 8 port gateways to replace 1fb
 TM> lines in the systems and piping them over customer's dsl lines. We also
 TM> used a custom pri box to do the same thing for customers who had t1
 TM> interfaces before hosted phones took off!

My experience recently has been somewhat limited to inheriting Asterisk
PBXes and running 8x8 recently. Way back when, I managed big Nortel
switches, and we started running our own SIP trunks over their
proprietary boxes. It was nice, instead of having to buy more trunk
cards, it was a licensing thing. Get a new keycode, set up another 8 SIP
trunks.

I had a call center in San Francisco and another in Connecticut, and
were able to network the two PBXes and route calls over SIP using an
MPLS circuit, and it just worked.

Nortel has been gone for years, but a Nortel PBX "cheat sheet"
(https://kataan.org/nortel-pbx-cheat-sheet/) made of notes I've
collected over the years still gets a handful of hits daily.




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