Question

A company is deploying Webex Calling with a Cisco IOS XE Local Gateway (CUBE) to connect an existing PSTN circuit. The network team wants the simplest onboarding method that does not require a signed CA certificate on the gateway and uses credentials generated in Control Hub. Which trunk type should be configured between the Local Gateway and Webex Calling?

Accepted Answer

Registration-based trunk using the SIP username and password from Control Hub

Answer

Certificate-based trunk with mutual TLS authentication using a public CA-signed certificate

Answer

IP-based trunk authenticated by source IP address access lists only

Answer

SRTP-secured trunk using a self-signed certificate imported into Control Hub