| 摘要 |
A system for managing of mobile phones at a roaming network, each mobile handset having a first handset number from its home network. The roaming network assigns a second number to a detected roamer, which number is local to the roaming network. The second number is not known directly to the handset, which continues to identify itself using the first number. The handling unit acts as a local home location register for handling local management of the roaming handset using both the second number and the first number, thus allowing the handset to identify itself using the first number but be called using the second number at local call rates.
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