IP telephony is a modern way of voice communication in ICT networks, using the mechanism of voice transmission in the so-called packet form and using the same network that is used for data transmission.
Based on its own fibre-optic network, the 3S Group provides fixed-line telephony services in many variations:
subscriber lines usingIP technology (SIP/SIP trunk services available over the Internet or secure data transmission in 3S network),
subscriber lines usingISDN PRA technology,
subscriber lines usinganalogue technology(in selected locations), webservices for voice services.
The basic advantages of IP telephony services provided by the 3S Group:
dedicated data transmission for telephone calls,
attractive call rates and excellent quality thanks to HD Voice technology,
free number portability from another network,
secure, redundant connections for the most demanding clients,
a tailor-made service – tailored to the needs and requirements of the client.