Third‑Party References

Provider docs

• Phaxio API reference (v2/v2.1): https://www.phaxio.com/docs/api/v2/
  • Create and send a fax (content_url): https://www.phaxio.com/docs/api/v2.1/faxes/create_and_send_fax
  • Send fax webhooks (callbacks): https://www.phaxio.com/docs/api/v2.1/faxes/send_webhooks
  • HIPAA guidance: https://www.phaxio.com/docs/security/hipaa
• Sinch Fax API v3
  • Overview: https://developers.sinch.com/docs/fax/overview/
  • API Reference: https://developers.sinch.com/docs/fax/api-reference/
• Asterisk (self‑hosted backend)
  • Asterisk Manager Interface (AMI): https://wiki.asterisk.org/wiki/display/AST/Asterisk+Manager+Interface+(AMI)
  • Fax overview: https://wiki.asterisk.org/wiki/display/AST/Fax
  • Application SendFAX: https://wiki.asterisk.org/wiki/display/AST/Application_SendFAX
• FreeSWITCH (self‑hosted backend)
  • FreeSWITCH Explained: https://developer.signalwire.com/freeswitch/FreeSWITCH-Explained/
  • mod_spandsp (fax): http://files.freeswitch.org/api/mod_spandsp.html
  • Dialplan Reference: https://freeswitch.org/confluence/display/FREESWITCH/Dialplan+Reference
  • fs_cli: https://freeswitch.org/confluence/display/FREESWITCH/fs_cli
• SignalWire
  • Compatibility (Twilio‑style) API: https://developer.signalwire.com/compatibility-api/reference/overview
  • Fax via Compatibility API: https://developer.signalwire.com/compatibility-api/reference/send-a-fax

Tools

• Ghostscript (PDF↔TIFF utilities): https://ghostscript.com/docs/
• Cloudflare Tunnel
  • Overview: https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/
  • Quick Tunnels (trycloudflare): https://developers.cloudflare.com/cloudflare-one/connections/connect-networks/do-more-with-tunnels/trycloudflare/
• ngrok (HTTP tunnels): https://ngrok.com/docs/guides/http/

Object storage (S3)

• AWS S3 SSE‑KMS: https://docs.aws.amazon.com/AmazonS3/latest/userguide/UsingKMSEncryption.html
• S3‑compatible platforms (e.g., MinIO): https://min.io/

OAuth / JWT (MCP SSE)

• OpenID Connect Discovery 1.0: https://openid.net/specs/openid-connect-discovery-1_0.html
• JSON Web Key (JWK) RFC 7517: https://www.rfc-editor.org/rfc/rfc7517
• JSON Web Token (JWT) RFC 7519: https://www.rfc-editor.org/rfc/rfc7519

Notes

• Use the links above for provider‑specific troubleshooting; do not mix backend instructions.