Direct inward dialing pool lease for originating and terminating services in a unified communication platform

A system, comprising:

• one or more processors;
• and
• a memory coupled to the one or more processors, the memory including instructions that, when executed by the one or more processors, cause the one or more processors to:
• receive, in a proxy server, a request for a communication between an end-user endpoint in a local network and a subscriber of a public network, wherein the end-user endpoint is associated with an end-user phone number;
• transmit, from a proxy server to an anchor service, a request to lease an address anchor from a pool of multiple addresses;
• transmit, from the proxy server to a carrier gateway server, a communication request from the address anchor to the end-user phone number;
• request, to a local market intermediate carrier, a communication channel between the address anchor and the end-user phone number through the carrier gateway server;
• and
• establish the communication between the end-user phone number in the local network and the subscriber of the public network, wherein to transmit, from the proxy server to an anchor service, a request to lease an address anchor from a pool of multiple addresses, the one or more processors execute instructions to create a lease record in a database, the lease record including a date and time of lease, the anchor address, a destination phone number of the subscriber of the public network, the end-user phone number, and a direction of the communication.