Create a BYOC Cloud trunk


PureCloud recommends that you rely on the default BYOC Cloud trunk settings described in this article. However, if after you create a basic BYOC Cloud trunk, you find that you need more control based on the requirements from your carrier, see External trunk settings


  1. Click Admin.
  2. Under Telephony, click Trunks.
  3. Click the External Trunks tab.
  4. Click Create New.
  5. In External Trunk Name, enter a trunk name.
  6. From the Type list, select the type of  BYOC Cloud trunk you want to create.

You can select either


  • Under Type:
    • Select BYOC Carrier from the first list.
    • Select Generic BYOC Carrier from the second list

  • Under Type:
    • Select BYOC PBX from the first list.
    • Select Generic BYOC PBX from the second list


  1. Confirm that the Trunk State switch is set to In-Service.
  2. Select the appropriate trunk transport protocol from the Protocol list. For more information, see Choose a trunk transport protocol.
  3. Under Inbound / Termination, enter an identifier in the Inbound SIP Termination Identifier box.
  4. Under Outbound, enter identifiers in the appropriate Outbound SIP boxes to configure your outbound request URI.
  5. Specify the SIP Servers or Proxies by entering a hostname or IP address and a port number and clicking the  icon. 
  6. Choose the appropriate Digest Authentication setting.
    • If you enable digest authentication, you’ll need to specify the associated Realm, as well as the User Name, and Password to use as the authentication credentials.
  7. Under Calling, specify specify the Address and Name, as well as the appropriate override methods for each.
  8. Under SIP Access Control, build a list of IP or CIDER addresses to which you want to permit SIP access by entering an address and clicking the  icon.
  9. If you are configuring BYOC PBX trunk, you’ll see the PBX Passthrough setting.
  10. Click Save External Trunk.