SIP/Asterisk Go‑Live Checklist

Telephony & Network

• SIP trunk provider supports T.38
• Static IP/DDNS configured; firewall allows provider IPs to 5060 (SIP) and 4000‑4999 (UDPTL)
• AMI (5038) is private/internal only

Asterisk

• Dialplan matches asterisk/etc/asterisk/extensions.conf (faxout/faxsend contexts)
• UserEvent(FaxResult, ...) emitted on completion

Faxbot

• Backend set to sip
• AMI settings verified: host/port/user/password
• Ghostscript installed on API host for PDF→TIFF

Security

• API_KEY enabled; reverse proxy applies rate limits
• Audit logging as required by policy

Smoke Tests

• Single‑page PDF to a known good number
• Observe AMI events and final status in Jobs

Runbooks

• On AMI login failure: verify credentials and network path
• On TIFF errors: confirm Ghostscript binary and permissions