Planned telephone system upgrade on 27 March: temporary service downtime Last updated: Thursday, 21 March 2024 We're making improvements to our telephone system on Wednesday 27 March 2024, 2am to 3am. During this time, there will be a planned telephone outage. This upgrade will impact Guy’s hospital, St Thomas’ hospital, Evelina London Children’s Hospital, and our acute community sites. If you need to reach us during this period, please call 020 7188 7188. We apologise for any inconvenience this may cause. Thank you for your understanding. Print this page Contact us Media enquiries Phone: 020 7188 5577 Email: press@gstt.nhs.uk Other latest news New Year's Day babies arrive at Guy's and St Thomas' Friday, 02 January 2026 New Year Honours 2026 for Guy’s and St Thomas’ staff Tuesday, 30 December 2025 Special delivery – Christmas Day babies born at St Thomas’ Hospital Monday, 29 December 2025 See all news