Wolfgang Lautenschlager

Method for performing a voting by mobile terminals

Call establishment method

METHOD OF CHARGING FOR THE USE OF AN INTERNET SERVICE PLUS A SERVICE CONTROL UNIT AND A SERVICE PROVIDER UNIT

Method of charging for the use of a telecommunications service, as well as a switching system, a service control point, and a network management facility

Booking by means of a virtual access ticket

Call-routing method for a virtual private network as well as service computer and exchange therefor

Verfahren zur Anruflenkung für ein privates, virtuelles Netz, sowie Dienstrechner und Vermittlungsstelle dafür.

Method of providing call charge information as well as service control facility, subscriber terminal exchange, terminal, and communication network

Method of distributing real time data streams across a multimedia network as well as a mediation device and a multimedia network therefore

Method of routing emergency calls