Voice Protocol – XINIX

The Looming Shift from ISDN and PSTN to Voice Protocol

People will not be able to buy ISDN (integrated services digital) and PSTN (public switched telephone network) circuits like before. This is because of the transition to voice protocol. BT Wholesale announced that this would come into effect as from 2020 since it aims at switching them off in 2025. This announcement has led to … Continued