AT&T 999-507-144 system manual Touch Administer. The console beeps twice

Administration Procedure				Do This
Assign System Speed Dial codes to telephone	1	Enter	administration	mode.
numbers and account numbers.	2	Dial the 3-character code (#60 through #99) you are assigning to the
		number.
	3	Dial either:
		*90 to assign the code without Restriction Override
		*92 to assign the code with Restriction Override
		*88 to assign the code to an account number.
	4	Dial the telephone number or account number.
		NOTE: To designate a telephone number as private (not printed on call
		reports), dial * before the number m step 3.
		If the telephone number or account number has the maximum allowed 16 digits,
		the console beeps twice when you enter the sixteenth digit.
	5	Touch Administer.
		The console beeps twice.
	6	Leave	administration	mode.
Assigning or removing a telephone from a	1	Enter	administration	mode.
paging group.	2	Dial the code for the paging group (*71 or *72).
	3	Touch the Auto Intercom button for the phone you want to add or
		remove.
		Green light on = telephone is assigned
		Green light off = telephone is removed
	4	Leave	administration	mode.
Set the transfer return interval.	1	Enter	administration	mode.
	2	Dial the code for the transfer return interval you want (up to nine rings):
		*2 plus the number of rings wanted (*25 = five rings).
		*20	for transferred calls to not be returned.
	3	Touch	Administer.
		The console beeps twice.
	4	Leave	administration	mode.
Set the music-on-hold volume.	1	Enter	administration	mode.
	2	Dial the code for the volume you want:
		*12	to turn off music-on-hold.
		*13	to set the volume to low.
		*14	to set the volume to medium.
		*15	to set the volume to high-

Or use the music source volume control instead.

3Touch Administer. The console beeps twice.

4Leave administration mode.

6-4Section 6: Quick Reference Guides