CASE STUDY Client’s conception Johns Manville Slovakia is the biggest European manufacturing facility of the Johns Manville worldwide group. It deals with the production and processing of glass fibres and employs nearly 900 people at its facility in Trnava. Given the size and nature of the facility, it really needs reliable communication not only with the external environment, but also within the company. The original telephone exchange was approaching the end of its lifetime, and it no longer met the facility’s high demands for reliability. For the client, the risk of voice and fax communication failures was unacceptable, especially for departments like Sales and Logistics for which maintaining smooth communication is crucial to the company’s operations. Besides eliminating this

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