Over the years, different studies concluded that top management is necessary to build the right infrastructure of communication within the organization. An effective communication framework provides conditions for cultivation of knowledge and information sharing. When an organization grows, it is easier to be entrapped in a complicated system of
communicating. Opposing to this, practices such as: honesty; integrity; knowledge share; and reward; create trust among employees. Workplace communication is definitely affected by the infrastructure of the organization, but this is not the only parameter. The second section of this paper -the literature review- relates to the workplace communication with emphasis in informal communication network within the organization. The review includes an extended survey on communication and communication process,
communication channels and barriers of communication. Different aspects are presented
through comparisons of academic studies, theories’ synthesis and discussion of findings.
The third section describes the issue of how informal communication, if approached as an
asset for an organisation, could be converted to a useful tool through Communities of
Practice.