Communication Software

IMS - IP Multimedia Subsystem

The aim was to provide core functionality of the IMS client on mobile devices which is fully capable to run on its own, but preferably also could be expanded and adapted to be used together with other applications and for various other purposes. All modules have been developed internally and customized in compliance with the Siemens specific IMS specifications.

Technology:Embedded C++ programming language, Symbian
Client: Zesium Mobile GmbH
Status:Complete set of IMS core system modules developed and successfully tested. These modules include SIP, SIP Call Control, Presence, XML encoders/parsers, HTTP, DHCP, and DNS, all of which could be utilized in other separate applications. Core functionality IOT successfully performed against Siemens commercial server infrastructure.