Apparatus and methods for flexible communications in a network

摘要

A method that incorporates teachings of the subject disclosure may include, for example, transmitting a first query to a domain naming server responsive to receiving a session initiation protocol message comprising a fully qualified domain name. The first query can include one of an internet protocol version 4 address query or an internet protocol version 6 address query associated with the fully qualified domain name. The method can include receiving at least one answer from the domain naming server. The at least one answer can include at least one of an internet protocol version 4 address having no errors, a second internet protocol version 6 address having no errors, or both. The method can also include transmitting a message to a communication device. The message can include information associated with the at least one answer.

主权项

1. A method comprising:
receiving, by a server comprising a processor, a request from a calling device for a call session with a terminating device over a communication network, wherein the request includes a fully qualified domain name identifying the calling device; transmitting to a domain naming server, by the server, a query comprising the fully qualified domain name; receiving, by the server, a response from the domain naming server; analyzing, by the server, the response that is received to determine an answer combination; transmitting to the calling device, by the server, a first response message via an internet protocol version 4 address if the answer combination comprises the internet protocol version 4 address with a first non-error indicator and an internet protocol version 6 address with a first error indicator; and transmitting to the calling device, by the server, a second response message via the internet protocol version 6 address if the answer combination comprises the internet protocol version 4 address with a second error indicator and the internet protocol version 6 address with a second non-error indicator.