For a Lumen® SIP Trunking service, a route plan consists of one or more trunks and it controls how Lumen delivers calls to those trunks (known as inbound traffic). If you no longer need a route plan, you can delete it from Control Center. You can also update a route plan instead of deleting it and creating a new one.
To delete a route plan from a SIP Trunking service:
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