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International and interstate calls function roughly the same way as domestic calls, however rather than being connected through one main exchange two or more exchanges allow the circuit to be completed. If an incoming call to an exchange is detected to be outside of the exchange's jurisdiction (through area or country codes) the exchange will attempt to connect to the exchange in which the target phone is located. Over small distances this may be through a wire connecting the two centers, however over larger distances undersea cables or satellite technology may be used and an individual call may be routed through several exchanges (for example the original exchange dials and exchange connected to a satellite transmitter, which in turn sends the signals to an exchange connected to a satellite receiver, which may then connect to other exchanges in order to reach the target phone). Remarkably this entire process may take mere seconds, however it is more expensive and more prone to disconnections than local calls.
International and interstate calls function roughly the same way as domestic calls, however rather than being connected through one main exchange two or more exchanges allow the circuit to be completed. If an incoming call to an exchange is detected to be outside of the exchange's jurisdiction (through area or country codes) the exchange will attempt to connect to the exchange in which the target phone is located. Over small distances this may be through a wire connecting the two centers, however over larger distances undersea cables or satellite technology may be used and an individual call may be routed through several exchanges (for example the original exchange dials and exchange connected to a satellite transmitter, which in turn sends the signals to an exchange connected to a satellite receiver, which may then connect to other exchanges in order to reach the target phone). Remarkably this entire process may take mere seconds, however it is more expensive and more prone to disconnections than local calls.
==See Also==
==See also==
* [[Cellular phone]]
* [[Cellular phone]]
[[Category:Technology]]
[[Category:Technology]]