From Newsgroup: comp.dcom.telecom
https://www.lightreading.com/2g-3g-4g/uk-s-4g-based-esn-gets-a-fresh-start-as-ibm-takes-on-key-role
...
IBM et al will essentially serve as a replacement for Motorola
Solutions, which was previously due to supply its Kodiak solution as the mission-critical push-to-talk (MCPTT) application to enable essential
voice communications over the LTE network. However, Motorola Solutions terminated its ESN contract in December 2022 with a 12-month transition
period.
Worth noting here is that the UK's Competition Appeal Tribunal has
acknowledged receipt of a u650 million class action against Motorola
Solutions for alleged overcharging for Airwave services from January
2020 to July 2023.
...
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