Mt. SAC Important Message

Beginning Summer Intersession, Covid-19 vaccinations are encouraged, but not required. Learn more about our safety guidelines at

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Information Technology

Mt. SAC Data Center

Information Technology

Phone and Voice Services



Several telephone models are used throughout Mt. SAC. A link to a general instructional manual is provided below.

Mitel 5330 Quick Reference Guide

Mitel 6930 Quick Reference Guide

Mitel 6940 Quick Reference Guide

Voicemail System

On Campus

  1. Dial 4000
  2. Enter your voicemail security code

Retrieve Voice Mail Messages from Off Campus

  1. Dial (909) 594-5611 or (909) 274-7500      
  2. Press * 
  3. When the voice mail system prompt starts, enter your extension number, then * again.  Example: 4357*
  4. Enter your voicemail security code

Voicemail Navigation Menu 

Call Forwarding to an external number from Your Office Mitel Desk Phone***

  1. Lift the handset
  2. Dial the Call Forward Feature Access Code: *60 then 9 then the destination number:  *60 + 9 + 1 + Area code + 7 digit number   (example: * 60 9 1 714 555 1212)
    1. NOTE: Do not include 1 + area code for a 909 area code number  (example * 60 9 555 1212)
  1. Dial tone is returned to you for confirmation
  2. Hang up the handset

 To turn Call Forwarding Off from Your Office Mitel Desk Phone:

  1. Lift the handset.
  2. Dial the Cancel Call Forward Feature Access code: #60
  3. Dial tone is returned to you for confirmation
  4. Hang up the handset

 To Test Call Forwarding

Dial your Direct number 909 274 + your extension number from any phone.

  ***Please note that Call Forwarding does not apply to 3000-3999 extension range.


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.