Add SIP networking & firewall configuration docs#938
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sahilsuman933 merged 1 commit intomainfrom Feb 16, 2026
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Add a dedicated reference page documenting Vapi's SIP networking requirements for firewall configuration. Customers integrating SIP trunks need to know IP addresses, signalling ports, and RTP port ranges to configure their network infrastructure. New page covers: - SIP signalling IPs and ports (UDP 5060, TLS 5061) - RTP media port range (UDP 40000-60000) - DNS resolution (sip.vapi.ai) - Inbound and outbound firewall rule recommendations - FAQ for common networking questions Also updates sip-trunk.mdx with a cross-reference to the new page and adds the page to the docs.yml navigation under SIP integration. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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CI Check AnalysisThe Evidence: The "Preview SDKs" workflow has failed on every PR in this repo for at least the last 10 runs across multiple branches (including PRs from other authors). The failures are in the Fern SDK code generation pipeline:
This PR only modifies:
None of these files can affect SDK code generation. These checks are informational and non-blocking. |
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fern/advanced/sip/sip-networking.mdx) documenting Vapi's complete SIP networking requirements for firewall configuration44.229.228.186,44.238.177.138), ports (UDP 5060, TLS 5061), RTP media port range (UDP 40000-60000), and DNS resolution (sip.vapi.ai)sip-trunk.mdxto cross-reference the new page from the existing "Network requirements" sectiondocs.ymlnavigation under SIP integration, positioned between "SIP trunking" and "Providers"Testing Steps
fern docs devor navigate to preview deployment