Today, GTCtelecom will introduce to customers the service of setting up telephone exchange and support customers when requirements arise. Installation of telephone exchange supported by our team of engineers, technicians is also extremely fast and convenient, this is the application of science and technology to increase productivity of businesses.
When you buy a new switchboard, cannot be used immediately, you must set it up to work. We show you how to install a complete setup for a new switchboard as follows:

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