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Telecommunication Systems
October 6, 2017
Subject Users of AT&T’s analog Centrex telephone service must now dial 8 + 7-digits to reach on-campus numbers
Please be advised that users of AT&T’s analog Centrex telephone service must now dial 8 + 7-digits to reach other on-campus numbers they previously reached via 5-digit dialing.
Centrex users will need to dial the full 7-digit number to reach on-campus numbers that they previously were able to reach with 5 digits.
• Phone Numbers with a first digit of 2 will need to be dialed as 8-432-xxxx. For example, 2-1234 will need to be dialed as 8-432-1234
• Phone Numbers with a first digit of 3 will need to be dialed as 8-353-xxxx. For example, 3-1234 will need to be dialed as 8-353-1234
• Phone Numbers with a first digit of 4 will need to be dialed as 8-884-xxxx. For example, 4-1234 will need to be dialed as 8-884-1234
• Phone Numbers with a first digit of 5 will need to be dialed as 8-353-xxxx. For example, 5-1234 will need to be dialed as 8-355-1234
Users affected by this will hear the message “You have reached a non-working number at Michigan State University” when they dial 5-digit numbers.
Users on the Avaya Campus PBX are not affected by this change and can continue to dial 5-digit to all MSU Campus phone numbers
IPF Telecom Systems utilizes a listserv to provide customers with information on regulatory mandates, service changes, new service features and how to best use your services. Simply follow the subscribe or unsubscribe link<http://list.msu.edu/cgi-bin/wa?SUBED1=TELECOM-SYSTEMS&A=1>, add your e-mail address and name in the top two fields and click "Join the list."
MSU Infrastructure Planning and Facilities builds and maintains the physical environment for Michigan State University’s education, research and outreach missions, and directs the university’s sustainability initiatives and long-term infrastructure planning goals. The unit’s experienced team of professionals keeps MSU running 24/7/365, delivering an immense menu of services and providing expert analysis for university objectives. Call (517) 353-1760 for emergency service.
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