Agreement shall remain in effect for the Initial Term. During any renewal period of the term of this Agreement (i.e., Extension Term), Provider reserves the right to change its fee structure at their discretion with a one (1) billing cycle notice, unless otherwise mutually agreed upon by the Parties. Telephone Numbers: All Toll Free and DID numbers assigned to a client account belong to Provider. The Client has no authority to move, transfer, or port any number belonging to Provider.