What is a PRI line and how many simultaneous calls does one E1 circuit support in India?
A PRI line in telecom is a dedicated voice circuit connecting your PBX or contact centre to the public telephone network. In India, one E1 PRI provides 30 simultaneous voice calls using 30 bearer (B) channels, while additional E1 circuits can be combined as hunt groups to support 60, 90 or more concurrent calls. A reliable PRI line provider can help scale capacity as your business grows.