
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
❑
Transfer
Hold
Pulse
❑
❑
The MERLIN II System Voice Terminal