Source note · Emergency callback numbers in Webex Calling
The FCC MLTS definition covers network- and premises-based systems including Centrex and VoIP as well as PBX, hybrid and key systems.
Checked 2026-09-25
- Vendor
- not restricted
- Product
- MLTS
- Subsystem
- regulation
- Deployment
- on-premises, multi-tenant
- Region
- us
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- 47 CFR § 9.3 - Definitions (Cornell LII republication) — Legal Information Institute, Cornell Law School (republishing eCFR) · tier 1 standards and regulators · 47 CFR 9.3, definition of 'Multi-line telephone system or MLTS'
Cite this note
APA
WarmTransfer. (2026, September 25). Emergency callback numbers in Webex Calling: source note webex-calling-ecbn-cfr-mlts-includes-voip. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-ecbn-cfr-mlts-includes-voip
BibTeX
@misc{warmtransfer-claim-webex-calling-ecbn-cfr-mlts-includes-voip,
title = {Emergency callback numbers in Webex Calling: source note webex-calling-ecbn-cfr-mlts-includes-voip},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-ecbn-cfr-mlts-includes-voip},
note = {Source note webex-calling-ecbn-cfr-mlts-includes-voip, checked 2026-09-25}
}