| 摘要 |
<p>Known methods and systems for providing telecommunication services to a user, like number portability, are based on Intelligent Networks, of which the installation is expensive and time-consuming. These networks can be avoided in case a mobile switch is coupled via a processor device to a first database corresponding with a first network like GSM and to a second database corresponding with a second network like DECT and/or INTERNET, whereby an unused area code could be used to direct a call to said mobile switch, and interrogation of said databases takes place via said processor device. This results in the possibility of immediate providing number portability and routing into any network against low costs and without using Intelligent Networks. <IMAGE></p> |
