IP telephony (also referred to as VoIP, or Voice over Web Protocol) is a expertise that enables customers to make and obtain telephone calls over the web as a substitute of by way of conventional telephone strains. SIP (Session Initiation Protocol) is a signaling protocol that’s used to determine, preserve, and terminate VoIP calls.
IP telephony has an a variety of benefits over conventional telephone service, together with decrease prices, larger flexibility, and extra options. IP telephony can also be extra dependable and safe than conventional telephone service, as it’s not topic to the identical outages and safety dangers.