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The HS2 Operational Telephone System shall provide an integrated, route wide, telephone communications system at key infrastructure locations to support the operation and maintenance requirements of HS2.
The Operational Telephone System shall be based on VoIP technology and consist of the following sub systems:
o Fallback IP Phones - suitable for operators desk and will act as a fallback for the OTS HMI
o Equipment Room IP Phones - suitable for desk or wall mounted within equipment rooms and REBs.
o Tunnel Ventilation Equipment Room - IP telephony or intercom suitable for high background noise environments.
o Ruggedised Direct Line and Keypad phones - suitable for highspeed rail trackside, tunnel locations (telephone instruments shall be suitable for aerodynamic effects for line speed of 360kph) and external environments.
o Refuge Area Help Point with Induction Loop
Direct line + Keypad phone, call logging and recording.
Siemens have quantified the list of OTS equipment required will be provided during the tender, but shall be sized for the following equipment and end devices:
The OTS shall interface with following other systems through the use of industry standard protocols and CTI:
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