Source note · SIP trunk carrier turn-up and acceptance testing
RFC 4733 says the sender SHOULD send the final packet of each event three times, at the interval it uses for updates.
Checked 2026-09-25
- Vendor
- IETF
- Product
- RTP telephone-event payload
- Subsystem
- dtmf
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 4733
- Checked
- 2026-09-25
Sources
- RFC 4733: RTP Payload for DTMF Digits, Telephony Tones, and Telephony Signals — IETF / RFC Editor · tier 1 standards and regulators · Section 2.5.1.4
Cite this note
APA
WarmTransfer. (2026, September 25). SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-rfc4733-final-packet-x3. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-rfc4733-final-packet-x3
BibTeX
@misc{warmtransfer-claim-sip-trunk-carrier-turn-up-rfc4733-final-packet-x3,
title = {SIP trunk carrier turn-up and acceptance testing: source note sip-trunk-carrier-turn-up-rfc4733-final-packet-x3},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-trunk-carrier-turn-up-rfc4733-final-packet-x3},
note = {Source note sip-trunk-carrier-turn-up-rfc4733-final-packet-x3, checked 2026-09-25}
}