Source note · SIP trunk carrier turn-up and acceptance testing
The RFC 6140 'bnc' (bulk number contact) URI parameter marks a Contact URI as standing for all the phone numbers assigned to the SIP-PBX; the registrar expands it into one mapping per number.
Checked 2026-09-25
- Vendor
- IETF
- Product
- SIP registration
- Subsystem
- registration
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 6140
- Checked
- 2026-09-25
Sources
- RFC 6140: Registration for Multiple Phone Numbers in the Session Initiation Protocol (SIP) — IETF / RFC Editor · tier 1 standards and regulators · Sections 5.1 and 9.2.1
Cite this note
APA
WarmTransfer. (2026, September 25). SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-rfc6140-bnc. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-rfc6140-bnc
BibTeX
@misc{warmtransfer-claim-sip-trunk-carrier-turn-up-rfc6140-bnc,
title = {SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-rfc6140-bnc},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-rfc6140-bnc},
note = {Source note sip-trunk-carrier-turn-up-rfc6140-bnc, checked 2026-09-25}
}