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Who is responsible for telecom modernization?

Publish Date: October 13, 2026
Author: Tonya Hottmann

Key Points:

  • Telecom modernization often spans IT, facilities, property management and finance. Best practice tip: assign one person to coordinate the work across those teams.
  • IT may manage voice and network services, while facilities may oversee fire alarms, elevator phones and other building systems that use phone lines.
  • Building ownership and tenant responsibilities can differ by location. Check leases, service contracts and vendor agreements before assigning work.
  • A shared plan gives each site a clear owner, deadline, testing process, and completion record.

When an organization decides to modernize its telecom infrastructure, the most important questions are: What needs to be replaced? Who owns the work?

The answers may be spread across several teams – IT manages business calling, facilities personnel work with alarm and elevator vendors, and property owners hold the carrier account. Without a dedicated coordinator, each team may assume another is handling the upgrades, and nothing gets done.

Here is a method to establish ownership, identify the systems involved and move toward modern telecommunications without overlooking critical devices.

1. Why ownership becomes unclear

Copper lines can serve very different purposes within the same building. A line used for office calls may fall under IT. Another line may connect a fire alarm panel, elevator phone, entry system or fax machine maintained by facilities and property managers.

Responsibility becomes harder to trace when different people hold invoices, equipment records, and maintenance contracts. Across a large property portfolio, the arrangement may vary from site to site. That is why network modernization needs a coordinated owner, even when several teams perform the work.

2. Who should be involved?

Start with the people who control the service, understand the connected equipment and can approve changes:

  • IT or telecom: Identifies phone numbers, carrier services, voice systems and network requirements.
  • Facilities or property management: Locates building devices and coordinates access, maintenance vendors and site work.
  • Safety or compliance teams: Help identify systems that require testing, documentation or approval before a change.
  • Finance or procurement: Reviews invoices, contracts, budgets and purchasing requirements.
  • Property owners and tenants: Confirm who is responsible for service and equipment under the applicable agreements.

The right owner for each task depends on who controls the line, who maintains the device and what the relevant agreements say.

3. Assign one coordinator and each task

A committee can contribute to the decision, but one person should maintain the overarching plan. That coordinator does not need to perform every upgrade, but must ensure every line has an identified purpose and every action has an owner.

For each site, record:

  • Who pays for and controls the phone service?
  • What device is connected to what line?
  • Who maintains the connected device?
  • Who approves the replacement approach?
  • Who schedules installation and testing?
  • Who confirms the old service can be disconnected?

This makes the handoffs visible and helps prevent a business phone project from overlooking building systems that depend on separate lines.

Your step-by-step ownership guide

Step 1: Gather the records

Collect carrier invoices, phone number lists, contracts, site inventories and maintenance records. Note any upcoming service changes or project deadlines.

Step 2: Walk each site

Compare the records with the equipment on location. Ask facilities teams and device vendors about lines serving alarms, elevators, entry systems and other equipment.

Step 3: Assign a responsible team for every line

Document who owns the service decision and who owns the connected device. If the building is leased or shared, review the relevant agreements and resolve any gaps.

Step 4: Build the modernization plan

Group lines by device, location, priority and required coordination. Set dates for vendor review, installation and testing.

Step 5: Test and document the change

Have the responsible team and device vendor verify that each system works as intended. Record the result before authorizing cancellation of the previous service.

The real decision

Telecom modernization moves faster when ownership is explicit. IT, facilities and property teams may each hold part of the answer, but someone must bring those pieces together.

A clear inventory and assigned responsibilities give your organization a practical path from aging lines to modern telecommunications, site by site and device by device.

Next step

Begin with three questions: Who controls the line? What do those lines support? Who will approve and test the replacement? Once you can answer those questions for every site, you can build a network modernization plan with clear accountability.