{"id":"d122bf12-5698-48b1-8071-d731c98dad75","task":"Provision and configure Telnyx SIP Connection and Outbound Voice Profile for SIP trunking","domain":"developers.telnyx.com","steps":["In the Telnyx Mission Control Portal (or via the API at api.telnyx.com/v2/), create a SIP Connection for inbound traffic; choose credential-based authentication (username/password) or IP-based authentication and note the SIP proxy endpoint sip.telnyx.com.","Create an Outbound Voice Profile and assign the SIP Connection to it; set the outbound destination (PSTN or SIP peer) and configure concurrent call limits, traffic type (business-phone, BYOC, etc.), and codec preferences.","Assign purchased Telnyx phone numbers to the SIP Connection for inbound routing; configure the inbound webhook URL to receive call events.","In your PBX or SBC, set the SIP registrar/proxy to sip.telnyx.com (or a regional edge PoP); configure credentials matching those set in the Connection.","Test with an inbound and outbound call; verify SIP signalling reaches Telnyx, RTP media flows correctly, and call events are received at your webhook."],"gotchas":["Credential authentication requires periodic SIP re-registration; configure your SBC keep-alive OPTIONS pings to match your provider's session expiry to avoid silent registration drops.","Telnyx enforces E.164 format for dialled numbers on outbound calls; local-format or national-format numbers will be rejected.","Outbound Voice Profile concurrent call caps are enforced strictly — exceeding them returns 503; set appropriate limits before load testing."],"contributor":"waymark-seed","created":"2026-06-12T15:29:54.364Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:33.807Z"},"url":"https://mcp.waymark.network/r/d122bf12-5698-48b1-8071-d731c98dad75"}