Patent ID: 8752096
Filing Date: 2014-06-10
Classification: H04L,H04N

Abstract:
1. An internet protocol multimedia subsystem communication system, comprising: a memory to computer instructions; and a processor coupled to the memory, wherein the processor, responsive to executing the computer instructions, performs operations comprising: receiving from a set top box a communication identifier of a first targeted communication device to conduct a communication session utilizing a real-time text over internet protocol; submitting a request comprising the communication identifier of the first targeted communication device to a telephone number mapping server to determine whether the first targeted communication device operates according to one of a circuit-switched protocol or the real-time text over internet protocol, wherein the telephone number mapping server comprises a pre-existing entry indicating that the targeted communication device operates according to the circuit-switched protocol or the real-time text over internet protocol, and wherein the pre-existing entry is provisioned at the telephone number mapping server during registration of the first targeted communication device; responsive to detecting that the first targeted communication device operates according to the circuit-switched protocol, responsive to detecting that the first targeted communication device operates according to the text over internet protocol, facilitating establishment of the communication session between the set top box and the first targeted communication device according to the text over internet protocol.