Methods for handling ps and cs communication service

A method, establishing a communication service between a mobile communication device and a service network, comprising

• providing, by the service network, a first type of communication service to the mobile communication device and concurrently receiving, by the service network, a service request message to request for establishment of a second type of communication service;
• determining, by the service network, whether any type of communication service is an emergency service;
• declining, by the service network, the type of communication service that is not the emergency service;
• and
• wherein the service network only supports one type of communication service to the mobile communication device at one time.

A method, establishing a communication service between a mobile communication device and a service network, comprising

• receiving, by the mobile communication device, a first type of communication service and concurrently receiving, by the mobile communication device, a request for establishment of a second type of communication service;
• determining, by the mobile communication device, whether any type of communication service is an emergency service;
• declining, by the mobile communication device, the type of communication service that is not the emergency service;
• and
• wherein the mobile communication device only supports one type of communication service at one time.

A method, establishing a communication service between a mobile communication device and a service network, comprising

• receiving, by the mobile communication device, a first type of communication service and concurrently receiving, by the mobile communication device, a request for establishment of a second type of communication service;
• suspending, by the mobile communication device, the first type of communication service that is not an emergency service;
• receiving, by the mobile device, the second type of communication service;
• and
• wherein the mobile communication device only supports one type of communication service at one time.