Cortelco 2730 instruction manual Button, Message Error, No Data Sent, Private Calls, Unknown Calls

1.If you have reviewed the calls with the telephone handset on hook, press DIAL. The HANDSET symbol in the display will come on, and the number you have selected will be dialed automatically via the speakerphone.

2.If you have already picked up the handset or activated the speakerphone, you may select the number to be dialed by reviewing the stored calls. After locating the desired number, press DIAL. The displayed number will be dialed automatically.

5-7-10-11 BUTTON

5-7-10-11allows you to change the format of the displayed number. These are the available formats:

5-digit	Last 5 digits of the telephone number.
7-digit	7-digit telephone number.
10-digit	3-digit area code + 7-digit telephone number.
11-digit	long distance code 1 + 3-digit area code + 7digit
telephone number.

When a call is received, its 10-digit number is displayed.

•Press 5-7-10-11to change to a 5 digit number.

•Press 5-7-10-11again to change to a 7 digit number.

•Press 5-7-10-11a third time to change to a 10 digit number.

•Press 5-7-10-11a fourth time to add the LDS code to the number (1+ 3-digit area code + 7-digit telephone number) and display 11 digits.

When the desired format of the telephone number is reached, press DIAL to dial the displayed number.

MESSAGE ERROR

The display shows [-MESSAGEERROR-]”if the telephone receives a call that has an error in the transmission or reception.

NO DATA SENT

The display shows [-NO DATA SENT-] if there is no caller ID (CID) number sent from the telephone company.

PRIVATE CALLS

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If the caller has blocked his number from being sent, [PRIVATE NUMBER] and his name will alternately display on the screen.

If the caller has blocked his name from being sent, [PRIVATE NAME] and his telephone number will be displayed on the screen.

If the caller has blocked both his name and number from being sent, [PRIVATE CALLER] will be displayed on the screen.

UNKNOWN CALLS

•When the telephone company is unable to provide the caller’s telephone number, [UNKNOWN NUMBER] and his name will alternately display on the screen.

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