It was developed in 1974 by Ellemtel , a research and development subsidiary of Ericsson and Televerket .
The AXE telephone exchange is a product line of circuit switched digital telephone exchanges manufactured by Ericsson , a Swedish telecom company .
It was developed in 1974 by Ellemtel , a research and development subsidiary of telecom company and Televerket .
The AXE telephone exchange is a product line of circuit switched digital telephone exchanges manufactured by Ericsson , a Swedish telecom company .