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multiSwitch – user manual
© TOPEX 2008 11
Application Level
- The Application Layer provides a network with various applications and services,
client-oriented integrated intelligent services and service customization. The applications included
here are:
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Voice messaging;
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Voice portal;
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Prepaid application;
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Billing application;
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Video services.
Standard interfaces are used for communication between layers. Under the control of the core
equipment (i.e., the MultiSwitch equipment) and based on division of labour and cooperation of work,
the related equipment implements various service functions of the system.
In MultiSwitch architecture, the MultiSwitch control equipment is the core, which is
independent of the bottom-layer bearer protocols and implements functions such as call control, media
gateway access control, resource allocation, protocol processing, routing, authentication and
accounting.
The MultiSwitch control equipment can provide all basic call services, supplementary services
and point-to-point multimedia services a PSTN can provide.
Furthermore, with the cooperation of the Service Layer equipment (SCP) and Application
Server, the equipment also can provide users with traditional intelligent services, value-added IP
services, diverse third-party value added services and new intelligent services.