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Technical Product Manual - DCT1900
System Description, System Overview
System-DCT1900/R8/mw 2-5
© 2000-2005
In Figures 2-1 & 2-2 the relevant products covered by this manual are marked in gray. The
following items are recognized:
z DCT1900:
- RE : Radio Exchange
- BS : Base Station
- PT : Portable Telephone
- CSM : Cordless System Manager
z Other:
- PBX : Private Branch Exchange
- MS : Mobility Server
- CO : Central Office
2.1 Operational Concepts
Operational Environment
The DCT1900 is designed for mobility within the defined coverage area of the system. If the
defined coverage area of one system is too small, then in conjunction with the MS, several
DCT1900 systems can be connected together to act as if they were one large system.
Environmental External Dependencies
The DCT1900 system, as shown in Figures 2-1 & 2-2 depends on the following external systems
to provide the required services:
z Private Branch Exchange (PBX)
z Mobility Server (MS)
z Central Office (CO)
Functional External Dependencies
The following external systems provide the following functions:
z The PBX is a switch, providing:
- Standard switching services
- Calling party identity
- Voice mail services
- Paging services
- Access point to the Public Switched Telephone Network (PSTN)
z The MS is an adjunct to the PBX. It provides:
- In combination with two or more DCT1900 systems, the ability to roam freely between
different locations.
- The ability to handover between different REs while in a call.
- The ability via a single number (Portable User Number) to reach users in geographically
different locations.
- The means of configuring the MS and initializing and activating the Portable Telephones.
- The ability to dial in to the server and use your office extension, change you personnal
settings and acces you voice mail.
- Message waiting indication
- Call Waiting