• Telephony > Plugin > All permission

When configuring an external SIP trunk you may find that outbound SIP requests require authentication. If so, you can enable and configure the digest authentication settings.

To configure the digest authentication settings:

  1. Click Admin.
  2. Under Telephony, click Trunks.
  3. Click the External Trunks tab.
  4. From the list, select the trunk you want to configure.
  5. Under Outbound, set the Digest Authentication switch to Enabled.
  6. In the User Name box, enter a user name.
  7. In the Realm box, enter the the IP address of the incoming INVITE.
  8. In the Password field, enter the password.
  9. Click Save External Trunk.