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The UK’s telecoms networks will undergo substantial change over the coming years as technology evolves and is upgraded. Between now and 2025 the UK’s traditional telephone network – the ‘public switched telephone network’ (PSTN) - will be s ....

This contract is for PSTN infrastructure and to also cater for add-on services such as Asymmetric Digital Subscriber Line (ADSL) Broadband. The move to the next generation digital Internet Protocol (IP) based network is required and with no action wi ....

Public Switched Telephone Network (PSTN)

Expression of Interest To assist Yorkshire Housing by undertaking the minimum work deemed necessary, for all warden call and connected systems in scope, to transition successfully from their current analogue phone line to digital phone line infrastru ....