Cortelco 121000TP227S User Manual page 14

Pressing the 7-10-11 button once will display the number plus area
code: 662-555-1212.
Pressing the 7-10-11 button again will add the LDS code (usually 1):
1662-555-1212
Pressing the 7-10-11 button again will show the 7 digit number: 555-
1212
Note: This assumes that an LDS code has been programmed into
the telephone.
16. Release - To end a conversation, press
phone will go on-hook for 1.5 seconds and then go off hook again
to allow another call to be made.
17. Delete - This button is used in various programming actions to
delete items. It is discussed in detail when it is used.
18. Dial/OK - This button is used in programming to accept a value
and to dial out a displayed number.
19. Menu - This is discussed in detail in the next section.
20. Directory - This is discussed in Item 9.
21. Contrast - While on-hook press
t
to adjust the display contrast. Press
22. Voice Mail - This dials the number for a voice mail service.
Programming instructions are given in the following section.
23. Message Waiting/New Call Lamp
display will light to indicate a voice mail message. The 1210 is
compatible with four types of message waiting: 90V, 24V, Frequency
Shift Keying (FSK) and Stutter Dial Tone (SDT). Contact your
telephone service provider to determine the type of message
RELEASE once. The
s
CONTRAST and then use or
CONTRAST again to confirm.
- This lamp above the
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waiting. For 90V or 24V the type of message waiting is selected with
a switch underneath the phone. FSK or SDT message waiting will be
detected automatically. For these types of message waiting, the
switch should be in the OFF position. If the phone is connected
directly to a telephone line, the switch should be in the OFF position.
This lamp will flash to indicate a new call. To stop the flashing use
s t
the or to review the calls.
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