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This structure allows users a shorter number sequence for numbers within the same building or company (or in theory, a whole of any size, the only real restrictions come from regulations). CIBC in Toronto used 6-XXXX (XXXX denotes the last four numbers of the full 10 digit number) for numbers originating from 416-784-XXXX numbers and 7-XXXX for numbers 416-780-XXXX. All external numbers used 9-416-XXX-XXXX sequence. This sequence is part of the Nortel Networks Meridian 1 Communications Systems and Meridian Mail system. This sort of system is fairly common in different types of PBX Systems, with these being a few examples: |
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