Telnyx

Telnyx SIP trunking uses SIP Connections for inbound traffic and authentication, and Outbound Voice Profiles for outbound call routing.

SIP Connections

SIP connections authenticate traffic with Telnyx SIP proxies and configure inbound call handling.

Component	Description
Authentication	Credentials, IP address, or FQDN-based
Anchorsite	Regional PoP selection for media optimization
Phone numbers	Assigned to connection for inbound routing

See Authentication Methods for configuration details.

Outbound voice profiles control outbound call routing, destinations, and spending limits.

Component	Description
SIP Connection	Associated connection for outbound calls
Service plan	Allowed destinations and rate limits
Daily spend limit	Maximum daily spend cap

For SIP signaling addresses, media IP ranges, and port requirements, see sip.telnyx.com.

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