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.
ATEX is a member fo the EUTEX-Group. Today EUTEX-Group is a leading, neutral and independent market place for international telephone traffic. With access points in Frankfurt, London and Hong Kong we are globally present.