by TMC | Oct 2, 2025 | Uncategorised
Overview The UK’s Public Switched Telephone Network (PSTN) and Integrated Services Digital Network (ISDN) are being retired. The full switch off is scheduled for 31 January 2027, meaning traditional analogue and ISDN phone lines will no longer function. BT originally...
by TMC | Jan 26, 2024 | Guides
What is SIP ALG? SIP ALG stands for Session Initiation Protocol Application Layer Gateway. It is enabled by default on many commercial routers and internet gateways (modems). This setting modifies SIP packets, which controls voice calls and faxes. Why will SIP ALG...
by TMC | Oct 12, 2023 | News
Mobile end users on our Vodafone & O2 mobile We know that some of our mobile customers, or their employees may be impacted by recent events in Israel and Gaza. We want our customers to stay in touch with loved ones during this difficult time, we will support our...
by TMC | Jul 14, 2023 | News
From 01/08/2023 our Worldwide roaming services are changing for the better! Roaming in Europe Roam Like at Home (RLAH) is still being offered on O2, so as it stands will remain unchanged. RLAH allows you to utilise your UK allowances while roaming in Europe. Roaming...
by TMC | Jul 10, 2023 | Insights, News
Is your business ready for the Big BT Switch Off? The UK is phasing out the PSTN (Public Switched Telephone Network) and the ISDN (Integrated Services Digital Network). These networks were always the traditional way telephony and broadband services we supplied to...
