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How to install an intercom telephone system - PABX, a Practical step by step guide.

1.How to setup an Intercom Telephone System through a Step by step guide. 2. The telephone intercom architecture, starting from the pbx switch, through cables to the telephone handset. 3. It shows how the setup process, starting with cabling, terminations, handset mounting and the telephone system testing. 4. It shows how to terminate RJ-11 plugs. 5. Where the RJ-11 is used in the pbx network. 6. How to terminate telephone socket or cat 5 keystone jack. 7. It shows single Line telephone wiring 8. Multi line telephone wiring. 9. Default Extension number usage for initial pabx testing.