Call handling and delivery#
These pages explain how inbound SIP calls can continue to another eligible destination after a failed delivery attempt, how DIDWW delivers fax calls using T.38, and how a receiving SIP platform can redirect or transfer calls through a DIDWW outbound SIP trunk.
Explore call handling features#
Service failover and load balancing
Understand DIDWW network redundancy and DNS SRV and Trunk Group failover and load balancing.
Fax support
Understand T.38 fax delivery, availability, and troubleshooting.
Inbound call redirection
Compare SIP 30x Redirect and SIP REFER transfers.