Landline and Telephone Technical Reference
While the NBN has replaced the traditional copper telephone network, understanding landline wiring fundamentals remains essential for connecting VoIP services, troubleshooting internal wiring, and adapting older equipment to modern connections. This section provides technical reference for Australian telephone systems, plugs, sockets, dialling codes, and network features.
In This Section
- A Guide to Telephone Wiring (Tip & Ring, Modes) — Tip and ring explained, Mode 3 wiring for alarm panels, RJ12 USOC pinouts, and the 605 plug and 610 socket wiring diagrams for Australian installations.
- Australian Area Code List — All Australian STD area codes, dialling prefixes, international dialling format (+61), special service numbers (13, 1300, 1800), and interstate dialling examples.
- Australian Telephone Plugs & Sockets Guide — The history and technical specifications of Australian 600-series telephone connectors and modern RJ11, RJ12, and RJ45 connections, with adaptor options for bridging old and new equipment.
- Common Network Feature Codes — Quick reference for Australian phone network feature codes including call forwarding, call waiting, caller ID blocking, and voicemail access for Telstra, Optus, and Vodafone services.
- Ringer Equivalence Number (REN) Explained — What REN means, how to calculate the total REN load on a telephone line or NBN modem phone port, and what happens when you exceed the limit.
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