Australian Telco

Final Selectors in a ATE50 Step by Step Telephone Exchange
Australian Telco

1938 ATE PAX50 Step By Step Exchange

At 82 years old and weighing in at 140Kg, this is how telephone switching used to be done…

Read More
Australian Telco

NBNCo Transit Demystified

A look into how NBN’s transit model works.

Read More
Nokia Lightspan SX-4F used for NBNco FTTC as DPU
Australian Telco

Under the Hood with NBN FTTC Hardware (DPUs)

Taking a look at the black (and white) boxes inhabiting pits in NBN FTTC neighborhoods.

Read More
Australian Telco

Call routing in LNP

How call routing including Donor Routing works in LNP.

Read More
Australian Telco
RFCs & Standards

LNP / Porting FAQ

Technical FAQs on Number Porting in Australia

Read More
Australian Telco

End of ISDN in Australia

Australia’s largest carrier will begin disconnecting ISDN services, marking the end of circuit switched telephony in Australia.

Read More
Australian Telco
RFCs & Standards

The Sad story of ENUM in Australia

ENUM was going to change telephone routing. No longer would you need to pay a carrier to take your calls across the PSTN, but rather through the use of DNS your handset would look up a destination and route in a peer to peer fashion. Number porting would just be a matter of updating NAPTR […]

Read More
NBNco Australia network map
Australian Telco
Kamailio
RFCs & Standards
Voice over IP

Kamailio Bytes – Routing to geo local RTPengine Instances with Kamailio

Using Kamailio to route traffic to the nearest geographical RTPengine instance for lowest latency/best experience.

Read More
Australian Telco
Security

SMS Security – Banks

The other day I got an SMS from my bank, one of the big 4 Australian Banks. BANKNAME Alert: Block placed on card ending in XXXX, for suspicious transaction at ‘THING NICK PURCHASED ONLINE’ for $29.00 at 13:56. If genuine, reply ‘Yes’. If Fraud, reply ‘No’. SMS from bank They’d detected possible fraud on my […]

Read More
Australian Telco
RF

NBN Skymuster Satellite Technical Overview

Technical overview of NBNCo’s two LTSS (Long Term Satellite service) aka Skymuster Satellite services

Read More
Australian Telco

PMG / Erricson 3 line 8 ext PMBX

It’s no great secret I collect old phone stuff, I got this Melbourne made PMBX (Private Manual Branch Exchange) a while back, and I finally got around to doing something with it. I’ve cleaned all the relays, got all the electronics happy (still need to replace the ring generator), taken everything out, sanded it, varnished […]

Read More