Patent ID: 8976784
Filing Date: 2015-03-10
Classification: H04L,H04M

Abstract:
1. A method, comprising: receiving, by a first directory server of a first regional call processing system, a new name authority pointer associated with a telephone number and comprising an internet protocol address for establishing communications with a communication device associated with the telephone number; determining, by the first directory server, whether the new name authority pointer is within a first geographic region of the first regional call processing system based on a numbering plan area code of the telephone number; storing, by the first directory server, the new name authority pointer at a first directory responsive to determining that the telephone number is located within the first geographic region; transmitting, by the first directory server, the new name authority pointer to a second directory server of a second regional call processing system responsive to determining that the telephone number is not located within the first geographic region, wherein the second directory server is accessible by a second name server of the second regional call processing system for provisioning the new name authority pointer to the second name server; receiving, by the first directory server, a first query for a newly added name authority pointer being stored in the first directory, wherein the newly added name authority pointer comprises the new name authority pointer from a first name server of the first regional processing system; and transmitting, by the first directory server, the new name authority pointer to the first name server from the first directory, for provisioning the name authority pointer at the first name server, responsive to the first query.