ADTRAN (ADTN) and BT Group carry out a successful trial over a live research fiber network with Adtran's Coherent 100ZR pluggable transceiver.
In this article, we will take a look at 20 largest telecom companies in the world by revenue. If you want to skip our detailed analysis, you can go directly to 5 Largest Telecom Companies in The World by Revenue. According to a report by Grandview Research, the global telecom services market was valued at […]
Allison Kirkby will be BT's first female CEO and the tenth in the FTSE 100.