From the customer view in https://admin.webex.com, go to Management > Locations.

Select a location to modify.

Select External Caller ID Name on the right panel, then enter the name.

When using the Cloud Connected PSTN, the admin must contact the service provider to update the CNAM databases. Setting the External Caller ID Name in the Control Hub doesn’t update the public CNAM database.

Click Save.

Sign in to Control Hub and go to Management > Users.

Select a user for whom you want to specify the caller ID information for and click the Calling tab.

Go to the Numbers section and select Caller ID.

Choose which External Caller ID Phone Number is displayed for this user to select when they make an outgoing call.

• Direct line—This option displays the user's phone number.

  If the direct line isn't associated to the user, then this option won’t appear.

• Location number—This option displays the main number of the location that this user is assigned to.

  If the location has no main number, then this option won’t appear.

• Other number from organization—This option displays the other number (both assigned or unassigned) you choose from the drop-down menu. You can add a number from another location with the same PSTN provider, country, and zone as this user.

  If you select an unassigned number, the callback to that number isn’t answered.

  If you’re a location administrator, only the numbers pertaining to your assigned locations appear in the drop-down menu.

Choose which Additional external caller ID phone numbers are displayed for this user to select when they make an outgoing call.

• Direct line—This option displays the user's phone number.

  This option is disabled if you’ve already selected the Direct line option in the External caller ID phone number.

  If the direct line isn't associated to the user, then this option won’t appear.

• Location number—This option displays the main number of the location that this user is assigned to.

  This option is disabled if you’ve already selected the Location number option in the External caller ID phone number.

  If the location has no main number, then this option won’t appear.

• Custom number from organization—This option displays the custom number (both assigned or unassigned) you choose from the drop-down menu. You can add a number from another location with the same PSTN provider, country, and zone as this user.

  If you select an unassigned number, the callback to that number isn’t answered.

  If you’re a location administrator, only the numbers pertaining to your assigned locations appear in the drop-down menu.

Choose which External caller ID name is displayed when this user makes an outgoing call.

• Direct Line—This option displays the user's name.
• Location external caller ID name—This option displays the name that is configured for the location that this user is assigned to.

  See Configure a caller ID for a location for steps on how to set the name for a location's caller ID.

• Other external caller ID name—This option displays the name that is entered in this field.

(Optional) Modify the user's caller ID first and last name.

Some PSTN providers may not honor the caller ID name setting through Webex Calling.

(Optional) Toggle Block caller ID for received calls on to block this user's identity when receiving a call.

Choose one of the following Connected Line Identity for Redirected Calls options to keep the identity of the person receiving the redirected call private.

• Terminating identity—Terminating ID or the final destination ID of the person to whom the call is forwarded is revealed to the caller. This applies to both internal and external calls.

  Example: If A (internal or external caller) calls B, and B forwards the call to C, then C's identity is revealed to A.

• Redirecting identity for external calls—ID of the person to whom the initial call is made is revealed to the caller. This applies only to external calls.

  Example: If A (external caller) calls B, and B forwards the call to C, then only B’s identity is revealed to A and C’s identity isn’t revealed.

  If it’s an internal call, then the final destination ID of the person to whom the call is forwarded is revealed to the caller. Example: If A (internal caller) calls B, and B forwards calls to C, then only C’s identity is revealed to A and B’s identity isn’t revealed.

• Redirecting identity for all calls—ID of the person to whom the initial call is made is revealed to the caller. This applies to both internal and external calls.

  Example: If A (internal or external caller) calls B, and B forwards the call to C, then only B’s identity is revealed to A.

Click Save.

Sign in to Control Hub and go to Management > Workspaces.

Select the workspace you wish to specify the caller ID information and click the Calling tab.

Go to the Numbers section and select Caller ID.

Choose which External caller ID phone number is displayed when a person makes a call from this workspace device.

• Direct line—This option displays the workspace's phone number.

  If the direct line isn't associated to the workspace, then this option won’t appear.

• Location number—This option displays the main number of the location that this workspace is assigned to.

  If the location has no main number, then this option won’t appear.

• Other number from organization—This option displays the other number (both assigned or unassigned) you choose from the drop-down menu. You can add a number from another location with the same PSTN provider, country, and zone as this workspace.

  If you select an unassigned number, the callback to that number isn’t answered.

  If you’re a location administrator, only the numbers pertaining to your assigned locations appear in the drop-down menu.

Choose which External caller ID name is displayed when a person makes a call from this workspace device.

• Direct line—This option displays the workspace name.
• Location external caller ID name—This option displays the name configured for the location that this workspace is assigned to.

  See Configure a caller ID for a location for steps on how to set the name for a location's caller ID.

• Other external caller ID name—This option displays the name entered in this field.

(Optional) Modify the name and details of the workspace.

Some PSTN providers may not honor the caller ID name setting through Webex Calling.

(Optional) Toggle Block caller ID for received calls on to block this workspace's identity when receiving a call.

Choose one of the following Connected Line Identity for Redirected Calls options to keep the identity of the workspace receiving the redirected call private.

• Terminating identity—Terminating ID or the final destination ID of the workspace to which the call is forwarded is revealed to the caller. This applies to both internal and external calls.

  Example: If A (internal or external caller) calls B, and B forwards the call to C, then C's identity is revealed to A.

• Redirecting identity for external calls—ID of the workspace to which the initial call is made is revealed to the caller. This applies only to external calls.

  Example: If A (external caller) calls B, and B forwards the call to C, then only B’s identity is revealed to A and C’s identity isn’t revealed.

  If it’s an internal call, then the final destination ID of the workspace to which the call is forwarded is revealed to the caller. Example: If A (internal caller) calls B, and B forwards calls to C, then only C’s identity is revealed to A and B’s identity isn’t revealed.

• Redirecting identity for all calls—ID of the workspace to which the initial call is made is revealed to the caller. This applies to both internal and external calls.

  Example: If A (internal or external caller) calls B, and B forwards the call to C, then only B’s identity is revealed to A.

The Connected Line Identity for Redirected Calls option is available only for workspaces with a professional license assigned.

Click Save.