Patent ID: 9742814
Date: 2017-08-22
CPC Classifications: H04L,H04M

Claim:
1. A method comprising: receiving, by a processor included in a selective call blocking function (SCBF) device, a request to establish an internet protocol (IP) call through an IP multimedia subsystem (IMS); identifying, by the processor and based on the request, a user equipment (UE) associated with the IP call, wherein identifying the UE associated with the IP call includes: identifying, by the processor, an eNode B (eNB) exchanging data with the UE, wherein identifying the eNB includes: determining, by the processor, whether the eNB supports the IP call, wherein the IP call is established via the IMS when the eNB supports the IP call, and wherein determining whether the eNB supports the IP call includes: initiating, by the processor, a non-IP call associated with the UE when the eNB does not support the IP call.