The telephone network for securities professionals
STX is the fast and secure private telephone network used by member firms and other industry professionals across the UK, Republic of Ireland and the Channel Islands. The service is open to member firms and non-members alike.
STX enables you to reach anybody on the network through five-digit dialling.
Regulated by the Exchange, STX is designed to deliver the financial community’s need for privacy and confidentiality. A cost-effective disaster recovery solution is also available.
STX lines can be integrated into any type or size of network and configured to meet your needs. Available in digital or analogue formats, STX can be connected to a telephone handset even if you don't have a PABX, switchboard or dealerboard.
STX users pay a one-off connection charge and a flat annual fee – regardless of how many calls you make. The STX Directory contains a complete list of all STX users.
If you would like further information about the STX service or have any queries or feedback about STX Online, please contact the Business Development Team on 020 7797 3211.
For technical questions about your STX service, please call the STX technical helpdesk on 0808 100 1236.