Phone and Voice Services


Several telephone models are used throughout Mt. SAC.

A link to a general instructional manual is provided below.

Mitel 5212 IP Phone

NEW Voicemail System - As of January 1, 2015

To listen to your voicemail, dial:

On Campus: Dial 4000

Off Campus: Dial 909.274.6555 then your extension then * (star).

Click the link below to view a general overview of the voice mail menu.

Voicemail Navigation Menu - NEW


OLD Voicemail System - Expires April 1, 2015

The old voice mail system is still active and available.  Your saved messages and any voice messages you received prior to the switch to the new system will still be there.

To access the old voice mail system dial 6500 from any campus extension then dial 9 and your extension.

To access the old voice mail system from off-campus - dial 909.274.6500 then dial 9 and your extension.

Old saved messages cannot be transferred from the old system to the new system.

If you have critical messages that you need to retain or access we can retrieve and store those messages on a CD for you.  Please open a Help Desk ticket with specific details about which message(s) you need us to retrieve.


The Mt. SAC switchboard is located in Building 23 Room 6150.

The switchboard operators are available Monday through Friday from 7:30 a.m. to 4:30 p.m.

Busines Card orders may be picked up from the Switchboard during regular business hours.


Need HelpNeed Help

Send Online Request Online Support Request

Send Email Button Email (

Call Us Call Us: (909) 274-4357


Mailing Address
Information Technology
Mt. San Antonio College
1100 N. Grand Ave
Walnut, CA 91789

Campus Location
Building 23

7:30 am - 4:30 pm

(909) 468-3996

Mt. San Antonio College

1100 N. Grand Ave., Walnut, CA 91789
Phone: 909.274.7500 • TTY: 909.594.3447
For emergencies, call Campus Police: 909.274.4555 Ι Text-A-Tip: 909.274.9560

Copyright © 1989- • Mt. San Antonio College. All Rights Reserved.


All college-printed materials and Web info are available in alternative formats upon request.
Contact Disabled Student Programs & Services: 909.274.4290 or TTY 909.594.3447.

The 504/508 ADA Coordinators are located in Bldg. 4–230 and can be contacted at 909.274.4225.