A.Network interface trunk

B.Phone trunk

C.WebRTC phone trunk

D.External trunk

A.In the Edge Groups configuration Network Interfaces tab, select Inherit from Edge Group under the Phone Trunks section

B.In the Edges configuration Network Interfaces tab, under the Phone Trunks section, select Inherit from Edge Group and then select WebRTC phone trunk for the respective Edge group.

C.In the Edges configuration Network Interfaces tab, select Use the following trunks under the External Trunks section.

D.In the Edges configuration Network Interfaces tab, select Use the following trunks under the Phone Trunks section.