This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
TELEflash is a registred Carrier in Germany with his own Portingcode, own Hardware and with dedicated Peeringconnections to other german Carriers. We also offer MVNO-Services with german SIM-Cards.
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