Start with the billing names, not assumptions
Search every carrier record for traditional lines and trunks, IP voice, calling services, unified communications and contact-center products. Then match each service to a telephone number, location, endpoint, agreement and business owner.
Traditional lines and circuits
- Business lines and single-line telephone service
- POTS or analog lines
- Analog trunks
- PRI and ISDN PRI
- Remote call forwarding or related legacy features
Digital and IP voice
- SIP trunking
- Voice Complete
- Hosted voice and hosted VoIP
- Cloud communications
- Teams, Webex or Zoom-related voice services billed through the carrier
Calling and number services
- Enterprise toll-free numbers
- Local calling services
- Long-distance services
- Local and long-distance bundles
- Telephone-number blocks and individual DIDs
Unified communications and contact center
- Unified communications and collaboration packages
- Hosted collaboration services
- Contact-center voice and routing
- Call recording, emergency calling and related features
Record these fields for every service
Capture the billing account number, service identifier, telephone number or number range, physical location, monthly cost, agreement end date, notice requirement, operational owner and the equipment or workflow supported by the service.
Do not rely on a single bill. Acquisitions, moves and decentralized purchasing can leave services under older entities, separate locations and legacy CenturyLink account names.
What the inventory should answer
- What is active, and what is merely still billing?
- Which services must be retained until testing is complete?
- Which numbers must be ported?
- Which lines support safety, security or facility operations?
- Which contract dates should determine the migration sequence?