Secure connectivity and full-time communication
Line (LP)
It consists of one or more pairs of wires and complementary equipment that allow the interconnection of two distinct points capable of transmitting voice, data, and telegraphy, without connection with public central switching equipment.
DID (Direct Inward Dialing)
It is a service that allows the user of the switched fixed telephone system to have direct access to extensions of a private telephone switching center (PBX), without the assistance of a telephone operator or auto attendant. In this way, each extension is enabled to receive outside calls as if it were a direct line.
GPON and SIP services, signal protocols that serve to establish calls and conferences through networks via IP protocol, together with DID.