# Routing and dialing

Use these pages to format destination and Caller ID numbers, understand local
route selection, configure Diversion-based call forwarding, and compare SIP
call flows for supported authentication methods.

**Outbound dialing**

Format destination and Caller ID numbers and understand local-route
selection and availability.

[Outbound dialing](outbound-dialing.html)

**Call forwarding**

Configure Diversion-based call forwarding and review supported
countries.

[Call forwarding](call-forwarding.html)

**Call flow examples**

Compare the SIP message exchanges for Credentials & IP-Based and IP-Only
trunks.

[Call flow examples](call-flow-examples.html)