Source note · SIP ALG problems on firewalls and routers
The Junos SIP ALG monitors SIP transactions and dynamically creates pinholes for RTP and RTCP, based on the addresses and ports it extracts from the SDP.
Checked 2026-09-25
- Vendor
- Juniper Networks
- Product
- Junos OS SRX Series
- Subsystem
- ALG
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-25
- Checked
- 2026-09-25
Sources
- SIP ALG | Junos OS — Juniper Networks · tier 2 current vendor documentation · SIP ALG overview > pinhole creation
Cite this note
APA
WarmTransfer. (2026, September 25). SIP ALG problems on firewalls and routers: source note sip-alg-problems-junos-pinholes-rtp-rtcp. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-alg-problems-junos-pinholes-rtp-rtcp
BibTeX
@misc{warmtransfer-claim-sip-alg-problems-junos-pinholes-rtp-rtcp,
title = {SIP ALG problems on firewalls and routers: source note sip-alg-problems-junos-pinholes-rtp-rtcp},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/sip-alg-problems-junos-pinholes-rtp-rtcp},
note = {Source note sip-alg-problems-junos-pinholes-rtp-rtcp, checked 2026-09-25}
}