Voice mail service notification between mobile systems

A mobile communications system for providing voice message notifications for a subscriber comprising:

• means for receiving a voice message in a voice message system service center located in a first network;
• means for sending a first voice message notification from said service center to a first node according to a first protocol associated with said first network;
• means for receiving at the first node the first voice message notification;
• means for converting said first voice message notification from said first protocol into a second voice message notification according to a second protocol associated with a second network;
• and
• means for forwarding said second voice message notification, in accordance with the second protocol, to said subscriber located in said second network.

In a mobile communication system, a method for receiving a voice mail notification comprising the steps of:

• receiving a voice mail at a service center;
• sending a message from the service center to a home location register associated with a subscriber, the message requesting the subscriber's current location;
• sending a voice mail notification in a first protocol from the service center to a node associated with the current location of the subscriber if the node associated with the current location of the subscriber operates in accordance with the first protocol;
• sending a voice mail notification in a first protocol from the service center to a node which converts the voice mail notification to a second protocol if the node associated with the current location of the subscriber operates in accordance with the second protocol;
• and
• forwarding the voice mail notification to the subscriber.