The relevance of the communication in the complex information system (IS) development projects is becoming issue of primary importance. Various researches show that many projects failed due to inadequate management of communication. Project data exchange is still not performed in a structured and standardised manner, which leads to misunderstandings between team members. Too many complex IS projects do not have established an adequate project communication management subsystems.

This paper analyses results of a survey performed on information technology (IT) professionals and presents degree of communication problems during various project phases. (This research was supported by the Croatian Ministry of Science and Technology under projects: "Strategic planning of Information Systems" and "Information Systems Security.) It reveals that average rating of a degree of communication problems varies at different project stages and among different communication subjects. The paper also proposes software tools that, if properly used, might enhance project communication. Such technologies are still not completely mature but they are developing fast and might play an important role in project management, by providing support to its holism.