Sagem MyX-8 Example, This function is used to record your answer phone number, Programmable keys

Settings

Blacklist	The blacklist is used to limit failures on automatic calls (calls
	generated by the automatic redial function or by applications: data, fax for
	example).
	On the Calls menu, please select the Blacklist menu and [Select].
	When several automatic calls failed with a number (number busy or
	unknown), this number is put in the blacklist and no automatic call will be done
	with this number any more until you delete it from the blacklist.
	Note: this function does not apply to the calls performed manually.

Voicemail	This function is used to record your answer phone number.
	This number will be used during a call to the voice mailbox using the
	programmable keys.
	On the Calls menu, please select the Voicemail menu and [Select].
	Enter your answer phone number and validate.

ALS

The ALS (Alternate Line Service) function allows you, depending on your subscription, to have two phone lines. The number of the line selected (1 or 2) for the calls appears on the initial screen.

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