It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
Yackie Telecom Panama
The YACKIE Mobile SIM card ensures the lowest pricing for the business traveler anywhere in the world, while maximizing convenience. Pay no more additional roaming charges to your mobile operator. The same low pricing applies to accessing your voice mail
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