CELLULAR TELEPHONE NETWORK ROUTING METHOD AND APPARATUS FOR INTERNATIONALLY ROAMING MOBILE STATIONS

摘要

It includes identifying current serving switching node (34) that registration notification signal (104), which is sent to home cellular system (12) in the international cell roaming mobile stations different cellular system of (16 (1)) register (32),. It is assigned (208) to roaming mobile station home directory dialing numbers, home cellular system signal (206) service cell system and temporary local directory number when being subsequently received incoming call and returns to home cellular system. Switching node mark is subsequently processed, and is positioned with identifying on international dialing digit appropriate that (212) call the country in serving switching node. Temporary local directory number (210) are returned to be attached on identified international dialing digit to form international telephone number (214), for routing the call to current service cellular system by home cellular system, to be transmitted to called international roaming movement station.