Source note · Troubleshooting audio delay and talk-over on voice calls
RFC 3550 notes the LSR/DLSR estimate is the round-trip delay at the time the sender composed the SR, and later queuing and processing could make the current delay longer.
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- RTCP measurement
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 3550
- Checked
- 2026-10-02
Sources
- RFC 3550 RTP: A Transport Protocol for Real-Time Applications — IETF / RFC Editor · tier 1 standards and regulators · Section 6.4.1, note under the DLSR field
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting audio delay and talk-over on voice calls: source note call-latency-troubleshooting-rfc3550-rtt-snapshot-caveat. WarmTransfer. https://warmtransfer.net/knowledge/claims/call-latency-troubleshooting-rfc3550-rtt-snapshot-caveat
BibTeX
@misc{warmtransfer-claim-call-latency-troubleshooting-rfc3550-rtt-snapshot-caveat,
title = {Troubleshooting audio delay and talk-over on voice calls: source note call-latency-troubleshooting-rfc3550-rtt-snapshot-caveat},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/call-latency-troubleshooting-rfc3550-rtt-snapshot-caveat},
note = {Source note call-latency-troubleshooting-rfc3550-rtt-snapshot-caveat, checked 2026-10-02}
}