Juniper documents that the Junos SIP ALG modifies the Via, Contact, Route and Record-Route headers and the SDP c= and m= fields.

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

Cite this note

APA

WarmTransfer. (2026, September 25). SIP ALG problems on firewalls and routers: source note sip-alg-problems-junos-rewritten-fields. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-alg-problems-junos-rewritten-fields

BibTeX

@misc{warmtransfer-claim-sip-alg-problems-junos-rewritten-fields,
  title  = {SIP ALG problems on firewalls and routers: source note sip-alg-problems-junos-rewritten-fields},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-alg-problems-junos-rewritten-fields},
  note   = {Source note sip-alg-problems-junos-rewritten-fields, checked 2026-09-25}
}

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