SYSTEM AND METHODS FOR ACCESSING VOICE SERVICES BASED ON VOICE SERVICE INDICATORS IN AN EVOLVED PACKET SYSTEM

摘要

A system and method for accessing voice services using a user equipment (UE) in a communication system is provided. The UE is configured to receive a first message which may include an audio session indication. The method includes the step of sending a second message in response to the first message, with the second message being based on one or more voice service indicators comprising at least one value. The second message may be a response indicating not to select an alternative domain. The second message may also be a not acceptable response.