About VoIP
About VoIP Written by Published About VoIP VoIP is often referred to as IP telephony, internet telephony or internet calling. VoIP stands for voice over internet protocol. VoIP is an alternative for PSTN which is a public switched telephone network. VoIP phone systems...
Upgrading from ISDN
Upgrading from ISDN Written by Published What is ISDN? ISDN is a traditional phone line that is being gradually phased out starting from 2020 with total switch off being achieved by 2025. ISDN uses digital transmission to make calls, transmit data and other network...