FIGURE 6-1 The BIS-10 Voice Terminal.

AT&T

Pool 893

Pool 9

Pool 9

Intercom

Voice

Intercom

Ring

Conference

Drop

Stop

BIS-10

Pat Payne

Trans to Personal

ACW

Available

555-5184

Transfer

Hold

Pulse

The MERLIN II System Voice Terminal 6-3

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Image 128
AT&T 999-501-149 system manual At&T, BIS-10