Source note · Inventorying a legacy PBX before migration
Before a full port, every line on the carrier account (including analog, alarm, fax and modem lines that are not on the PBX) needs to be identified, because a full port closes the losing account.
inferred · Checked 2026-10-14
- Vendor
- Microsoft
- Product
- Teams Phone
- Subsystem
- number porting
- Deployment
- multi-tenant
- Region
- us
- Release range
- current as of 2026-10-14
- Status
- inferred
- Checked
- 2026-10-14
Sources
- Transfer phone numbers to Microsoft Teams — Microsoft · tier 2 current vendor documentation · Transfer phone numbers to Microsoft Teams > Billing telephone number (BTN)
Cite this note
APA
WarmTransfer. (2026, October 14). Inventorying a legacy PBX before migration: source note pbx-discovery-inventory-inf-port-account-scope. WarmTransfer. https://warmtransfer.net/knowledge/claims/pbx-discovery-inventory-inf-port-account-scope
BibTeX
@misc{warmtransfer-claim-pbx-discovery-inventory-inf-port-account-scope,
title = {Inventorying a legacy PBX before migration: source note pbx-discovery-inventory-inf-port-account-scope},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/pbx-discovery-inventory-inf-port-account-scope},
note = {Source note pbx-discovery-inventory-inf-port-account-scope, checked 2026-10-14}
}