Inquiry call
Analogue telephone 50:
Pick up receiver.
Dial subscriber number.
Analogue telephone 51:
Pick up receiver.
Initiate inquiry.
Dial subscriber number.
Analogue telephone 52:
Pick up receiver.
Terminate inquiry.
Hang up all receivers.
Inquiry call with call transfer
Analogue telephone 50:
Pick up receiver.
Dial subscriber number.
Analogue telephone 51:
Pick up receiver.
Initiate inquiry.
Dial subscriber number.
Analogue telephone 50:
Hang up receiver.
Analogue telephone 52:
Pick up receiver.
Hang up all receivers.
First calls
You hear the internal dialling tone.
Signal at telephone 51.
Place your call with telephone 51.
You hear the internal dialling tone.
Signal at telephone 52.
Place your call with telephone 52.
Place your call with telephone 51.
Termination of call.
You hear the internal dialling tone.
Signal at telephone 51.
Place your call with telephone 51.
You hear the internal dialling tone.
Signal at telephone 52.
Active call between telephones 51 and 52.
Termination of call.
7