Reuse of Telephony Servers for Digital International Switching Centres

Feb 01, 2026

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In February 2003, the industry was notified of a limited DLE replacement program utilising Telephony Servers (TeS). This notification was retracted in November 2003. A decision was later made to repurpose existing hardware for the replacement of Digital International Switching Centres (DISCs) using TeS, specifically the AXE and AXDML models. Initial installations of TeS began in November 2004, with further deployments planned from 2005 onwards. The closure program for existing DISCs is targeted for 2007-2008, with plans still under evaluation.

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Reuse of Telephony Servers for Digital International Switching Centres

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Presentation Transcript

Telephony Server Re-UseOctober 2004 Mark Ward Head of Interconnect and Numbering Services
Background Notification to industry in February 2003 of limited DLE replacement program using Telephony Servers (TeS) Notification withdrawn November 2003 Decision taken to reuse hardware for replacement of existing Digital International Switching Centres DISCs
AXE TeS AXDML Initial TeS Network legacy ISCs legacy ISCs overseas admins MGWAXD301 MGWAXD301 overseas admins UKOLOs UKOLOs 2Mbit/s TDM 2Mbit/s TDM NGS Layer
Timescales First TeS BIS November 2004 Further installations from 2005 onwards (plans not finalised). Existing DISC closure programme targeted 2007-2008 (plans not finalised).