Engineering and system integration

1 ESTEL provides professional consulting, design, supply, installation, training and support service of:

  • TDM and IP Telephony networks
  • Converged voice and data networks
  • Network monitoring systems
  • Access control systems
  • Video surveillance systems
  • Fire alarm systems
  • Audio and conference systems
  • Security and monitoring systems

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Design and construction of technical support and maintenance centres

2 ESTEL provides planning and construction of technical centers for support and maintenance of communication equipment.

This way the optimal usage of all network elements is ensured to provide the normal operation of the whole network.

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Education and consulting

3 ESTEL supports a permanent well trained team to provide educational and qualification courses in the main company location in Sofia.

The courses are organized on regular and on-demand basis.

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Technical support and maintenance

4 Our support team provides technical support and maintenance based on Service Level Agreements (SLA).

  • Helpdesk 8/5
  • Emergency Handling 24/7
  • On-site support
  • Service Unit Replacement
  • Remote Problem Solving
  • Software support
  • Client’s maintenance personnel Training

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