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docs: add SIP transfer IP whitelisting documentation#1046

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docs: add SIP transfer IP whitelisting documentation#1046
vapi-tasker[bot] wants to merge 1 commit into
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tasker/PRO-2606-sip-ip-whitelisting-docs

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@vapi-tasker vapi-tasker Bot commented May 12, 2026

Description\n\n- Add Vapi's static SIP signalling IPs (44.229.228.186, 44.238.177.138) to the Static IP addresses page (security-and-privacy/static-ip-addresses.mdx) alongside the existing HTTP webhook CIDR block, making this page a single reference for all Vapi static IPs\n- Add an IP whitelisting note to the Dynamic call transfers page (calls/call-dynamic-transfers.mdx) in the SIP transfers <Note> section so users configuring SIP transfer destinations know to allowlist these IPs\n- Add a SIP transfer IP whitelisting section to the Call forwarding page (call-forwarding.mdx) for users configuring transferCall with SIP destinations\n- All new sections cross-link to the authoritative SIP networking and firewall configuration page (/advanced/sip/sip-networking)\n- Addresses customer request in PRO-2606 about which IPs to whitelist on receiving SIP trunks when Vapi transfers calls via SIP\n\n## Testing Steps\n\n- [ ] Run the app locally using fern docs dev or navigate to preview deployment\n- [ ] Ensure that the changed pages and code snippets work\n- [ ] Verify the Static IP addresses page renders both the HTTP webhook and SIP traffic sections correctly with proper table formatting\n- [ ] Verify the Dynamic call transfers page SIP note renders with the added IP whitelisting sentence\n- [ ] Verify the Call forwarding page renders the new SIP transfer IP whitelisting section at the bottom\n- [ ] Confirm all internal links resolve: /advanced/sip/sip-networking from all three pages

Add static SIP IP addresses (44.229.228.186, 44.238.177.138) to the
static IP addresses page and add cross-references from call transfer
pages so users configuring IP whitelisting on receiving SIP trunks can
find this information without navigating to the SIP networking page.

- Expand static-ip-addresses.mdx with a SIP traffic section alongside
  the existing HTTP webhook CIDR block
- Add IP whitelisting note to the SIP transfers section in
  call-dynamic-transfers.mdx
- Add SIP transfer IP whitelisting section to call-forwarding.mdx

Resolves PRO-2606

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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