Subj : Re: Book: Lessons From Ca
To   : phigan
From : poindexter FORTRAN
Date : Sun Jan 11 2026 09:35 am

-=> phigan wrote to poindexter FORTRAN <=-

 ph> Have you ever used IAX2 between a couple PBXes? It sounds so good!

Never did. Most of my telco career was before that, running Nortel
PBXes. Nortel started doing SIP, but it wasn't very open - it was mostly
using their controllers to manage proprietary phones. We did do SIP
trunking between switches, replacing MPLS, and I was going to look at
SIP to SIP with Asterisk for an acquisition we purchased, but we ended
up moving them into one of our existing offices.

This was so early on that the way voice mail systems would exchange
messages between sites was transferring sound files via 2400 baud
modems.


 
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