Patent ID: 8798627
Filing Date: 2014-08-05
Classification: H04L,H04M,H04W

Abstract:
1. A method of performing a handover in a communications network, comprising: maintaining, by a network gateway component, call parameters of an active call of a user terminal communicating on a first communications network having a first access technology type; initiating a handover of the active call to a second communications network having a second access technology type different from the first access technology type, comprising obtaining a resource allocation on the second communications network to continue the active call on the second communications network based at least partially on at least a portion of the call parameters, wherein the maintaining of the call parameters further comprises maintaining a first identifier of the user terminal on the first communications network and a second identifier of the user terminal on the second communications network; obtaining a mobile originated call status or a mobile terminated call status of the active call of the user terminal communicating on the first communications network; and maintaining the mobile originated call status or the mobile terminated call status of the active call on the second communications network.