ADTRAN Express 3000 SP, Руководство пользователя

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Chapter 5. Optional Calling Features
5-2 Express 3000 SP User Manual 61203153L3-20
CALLER ID
Caller ID displays a caller’s name and phone number in a Caller ID
box.
CALL WAITING
Call Waiting permits one voice call to be placed on hold while answer-
ing another voice call. To enable this option, follow the instructions
below.
POTS PORTS DISTINCTIVE RINGS
You can set up the Express 3000 SP so that POTS ports 1 and 2 have
distinctive rings that are easily recognized. S-register 19 controls this
feature (see S-Registers on page A-2).
Instructions for Enabling Call Waiting
Step Action
1 Flash-hook (i.e., press FLASH button on telephone keypad)
to place the active call on hold and answer an incoming call.
2 Flash-hook as necessary between the two calls.
3 Hang up to terminate both calls.