The Wiki of Unify contains information on clients and devices, communications systems and unified communications. - Unify GmbH & Co. KG is a Trademark Licensee of Siemens AG.
Regarding IP telephony the subject VoIP Security becomes more and more important. VoIP must have the same confidentiality, authenticity, availability and anonymity as traditional telephony solutions.
Temporary list of available PDF documents regarding VoIP Security:
The buzzwords to improve the above mentioned properties are: