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PT/SLT/PS/SIP Extn.
Log in to your mailbox.
outside telephone no.
Enter your outside telephone number
(max. 20 digits including area code if needed) and #.
Change telephone number 1
1
4
9
Change telephone number 2
2
Enter 49.
If you have already set a telephone number and
wish to change it, press 1 after selecting telephone
number 1 or 2.
#
Enter 2
to accept.
OR
Enter 1 or 2.
2
On-hook.