Source note · RingCentral UCaaS platform and PSTN
Busy Lamp Appearance on RingCentral phones uses the normal signalling ports with SIP NOTIFY, and ports 5098 and 5099 need opening for BLA only when line sharing is used.
Checked 2026-09-24
Ports 5098 and 5099 should be opened for Busy Lamp Appearance only when you’re using line sharing.
- Vendor
- RingCentral
- Product
- RingEX
- Subsystem
- network requirements
- Deployment
- multi-tenant
- Region
- gb
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Network Requirements | MVP — RingCentral · tier 2 current vendor documentation · Section 3.2.6 RingCentral Phones, including footnote
Cite this note
APA
WarmTransfer. (2026, September 24). RingCentral UCaaS platform and PSTN: source note ringcentral-platform-bla-ports. WarmTransfer. https://warmtransfer.net/knowledge/claims/ringcentral-platform-bla-ports
BibTeX
@misc{warmtransfer-claim-ringcentral-platform-bla-ports,
title = {RingCentral UCaaS platform and PSTN: source note ringcentral-platform-bla-ports},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/ringcentral-platform-bla-ports},
note = {Source note ringcentral-platform-bla-ports, checked 2026-09-24}
}