Fixed telephony service allows phone calls to national and international networks via DataBox telecommunications network.
IP Centrex is a virtual telephone switchboard, with all the functionalities of the IP PBX switchboard, located on the DataBox infrastructure. With DataBox IP Centrex service, you get a complete telecommunications solution based on VoIP technology.
SIP trunk (Session Initiation Protocol) is a modern phone solution for enterprise customers who have their own telephone switchboard that supports SIP functionality.
The advantage of SIP trunk service is direct connection to the customer telephone switchboard without additional devices and voice gateway on the location of the user, which enables significant savings.
DataBox PBX is the public voice service, which is delivered via optical infrastructure. DataBox telecommunications network is connected with other operators of mobile and fixed networks, and the service is delivered via optical infrastructure in a way that optic cable directly connects to the users existing telephone switchboard.