VoIP exchange

SIEL VoIP is a IP-based virtual private telephone exchange. It provides enhancements and more functions to your existing phone system. While offering the same experience to the end user, it enables more productivity and it is cost-efficient.

Key advantages of VoIP compared to standard technology:
  • cheaper calls,
  • accessible from everywhere,
  • cheaper international calls,
  • free calls between business units within the same system,
  • transparent usage,
  • call statistics,
  • call divert,
  • phone usage monitor,
  • can be used with address books (Microsoft Outlook, Mozilla Thunderbird...),
  • fax overview,
  • sending fax messages to e-mail.


You can easily plug in new phones
to the system (standalone IP phones, software phones and SIP clients)...

An important part of VoIP technology is the web interface.
Web interface enables:
  • user pages for registered users,
  • welcome message,
  • call waiting management,
  • recording of calls,
  • diverting,
  • fax overview,
  • adding new users or groups,
  • central user database for different login profiles.