Patent ID: 6141549
Filing Date: 2000-10-31
Classification: H04W

Abstract:
In a radio telecommunications network, a method of automatically providing a roamer port number to a calling party when a called roaming mobile station is in the calling party's exchange, said method comprising the steps of:receiving in a visited mobile switching center/visitor location register (MSC/VLR), a call from the calling party directed to the roaming mobile station;determining in a home location register (HLR) for the roaming mobile station, whether a Roamer Port Notification (RPN) service is activated for the roaming MS;determining whether the roaming mobile station is in the calling party's exchange; andmaking an announcement from the MSC/VLR to the calling party upon determining that the RPN service is activated for the roaming MS, and the roaming mobile station is in the calling party's exchange, said announcement including the roamer port number for the MSC/VLR.