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Key to Symbols

 

 

Lift receiver (or press SPEAKER)

Press line button

Don’t lift receiver (and do not press SPEAKER)

Press auto-dial or programmable button (308/616 system)

Dial outside or intercom extension number/code

Dial feature dial code

Press feature button

Hang up receiver (or press SPEAKER if using speakerphone)

Press multi-purpose button (2448 system) (type of multi-purpose button displayed on the symbol)

Use one or another procedure, depending on the kind of telephone or type of call.

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AT&T Communications System user manual Key to Symbols