Alcatel OmniPCX Enterprise User Manual page 22

Enter the sub-address on your keypad; it will begin with * and have up to four
digits.
If the sub-address does not consist of four digits, press # to confirm.
Calling a a n i i nternal c c orrespondent o o n h h is p p ager*
If your correspondent is not answering his phone, but you know he has a pager,
dial the code for the "Paging r r equest" function.
You can also page the other person directly, by dialling the code for the "Direct
paging c c all" function followed by his pager number.
He will be able to contact you from any phone in the company.
* Optional.
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