Source note · One-way and no-way audio diagnosis
Asterisk's res_pjsip rtp_symmetric option makes RTP symmetric: Asterisk sends RTP back to the address and port it received RTP from.
Checked 2026-09-24
Enforce that RTP must be symmetric. Send RTP back to the same address/port we received it from.
- Vendor
- Asterisk
- Product
- Asterisk res_pjsip
- Subsystem
- NAT
- Deployment
- on-premises
- Region
- not restricted
- Release range
- unversioned documentation page, current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Configuring res_pjsip to work through NAT — Sangoma / Asterisk Project · tier 2 current vendor documentation · Option: rtp_symmetric
Cite this note
APA
WarmTransfer. (2026, September 24). One-way and no-way audio diagnosis: source note one-way-audio-asterisk-rtp-symmetric. WarmTransfer. https://warmtransfer.net/knowledge/claims/one-way-audio-asterisk-rtp-symmetric
BibTeX
@misc{warmtransfer-claim-one-way-audio-asterisk-rtp-symmetric,
title = {One-way and no-way audio diagnosis: source note one-way-audio-asterisk-rtp-symmetric},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/one-way-audio-asterisk-rtp-symmetric},
note = {Source note one-way-audio-asterisk-rtp-symmetric, checked 2026-09-24}
}