21631: Phone number is in use for emergency calling

This phone number is associated with a SIP trunk for emergency calling. Please disable emergency calling on this number before proceeding.

• Migrating the number to a subaccount
• Releasing the number from the account
• Dissociating the number from the SIP trunk
• Dissociating the number from the emergency address

Refer to the docs on Emergency Calling over SIP trunking for more details.