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Services For

Campus Phone Switch Upgrade


To ensure ongoing efficient phone system operation across the entire campus, as well as maintenance, support, and security, HSU must upgrade our Ericsson phone switch by April 2015. In addition to these benefits, a switch upgrade will also position HSU to be able to host its own Voice over IP (VoIP) circuits in the future, which will increase flexibility for mobile users and reduce costs for remote facilities.

Project Request Documents
Requesting Department
Telecommunications Services

Primary Customers

Lisa Lewis
Lorrie Marsh
Gary Peters
Rick Garcia
Billie Herman
Josh Callahan

Project status
Could Be Late

Status Update


  • LIM 8 migration is near completion - a total of 514 phone lines will have been migrated at completion
  • Resource expansion has stalled, so Josh is working on bringing the vendor on site to assist with cutovers
  • The project status has been set to yellow because of the resource issues
  • TNS workload has been rearranged to remove confusion over competing priorities
  • LIMs 10 and 11 have no impact on the Call Center's workload, so no extra resources are required for that group


  • LIMs 9 and 14 have been migrated to the new PBX switch for a total of 315 phone lines.
  • LIM 8 migration is in progress for approximately 209 phone lines
  • The timeline has been revised to reflect additional resources that will enable the project to be completed by late 2015
  • The budget has been revised to reflect the cost of those additional resources
  • Logistics for funding and securing additional resources are under discussion

12/15/14: The vendor, Diavox, was on site 12/6/14 and all work to position LIMs 7, 8, 10, and 11 for cut overs will be completed by12/15/14. Funds are in place to carry the project into 2015; additonal funds are being pursued to ensure resources are available to meet the scheduled completion date of 7/31/15. Enterprise Change Control is still TBD.


10/30/14: All phone lines for LIM 9 will have been cut over to the upgraded switch by 10/31/2014. The next phase of the upgrade will proceed as follows:

  • Work to position LIMs 7, 8, 10, and 11 has been defined and mapped out and is expected to be complete by 12/15/14. The vendor, Diavox, will be on site 12/5/14 to participate in the test and load exercises
  • The project timeline has been revised to reflect an earlier end date, thanks to additonal resources becoming available
  • Funds are in place to carry the project into 2015; additonal funds are being pursued
  • Enterprise Change Control is still TBD but is expected to be in process or completed by the end of November 2014

9/25/2014: The dry run was a success, and we were able to establish time estimates for the main sections of migration day work - programming, installation, and verification of changes and create a fairly complete draft timeline.The next phase is scheduled for 9/30/2014, when 20 lines will be migrated; once again, we will then re-group to check estimated times against actuals.

Next steps:

  • Discover, understand, and map out work required to prepare a LIM for migration
  • Refine project time line
  • Firm up funding/budget
  • Complete Enterprise Change Control process

8/27/2014: The Dry Run is scheduled for 9/15/2014. and will consist of migrating four desktop phones in TNS; this will enable the team to work through and define the migration process. The next step will be to migrate a limited number of "production-level" phones to flesh out the sizing and timeline for migrating the remainder of the affected phones/users. A formal plan will be created and entered into the Enterprise Change Control process.

TNS reports that sufficient equipment and parts are on hand to migrate 5 LIMs. The team still needs to determine what additional purchases are needed, if additional funding will be required, and when those purchases need to be initiated to keep the project on schedule.

7/30/2014: Initial planning efforts have resulted in breaking this project into 3 phases: 

  • Dry Run  - We will test out our migration processes by conducting a dry run using an already upgraded section of the switch. The Project Office team has graciously volunteered to be test subjects.
  • Pilot - Production migration with small group of users. Currently targeted to kick off week of 9/15/2014.
  • Full Migration - Based on Lessons Learned in the Dry Run and Pilot phases, a full migration plan will be devised and executed.

5/8/2014: This project has been approved and the purchase process for the upgrade switch will commence this month. Implementation is expected to be completed by March 2015. Funding support is still being finalized for this project.

May 15 2014 - Dec 31 2015

Go Live Date
Dec 31 2015

View ITS Department Project Master List