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SS II komplet_2011-2012.pdf

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Prínosy IMS<br />

• Orientácia na používateľa<br />

• Konvergentná architektúra a konvergencia služieb<br />

• Nezávislosť na prístupovej vrstve<br />

• Prítomnosť tzv. application enanblerov<br />

• Vysoká rýchlosť vývoja aplikácií<br />

All Rights Reserved © Alcatel-Lucent 2010<br />

Transformation of PSTN<br />

Evolution of Network Architecture Model for Voice Networks<br />

Wireless<br />

Subscriber<br />

Data<br />

IN<br />

Services<br />

IN, AIN,<br />

& Camel<br />

Wireless<br />

Subscriber<br />

Data<br />

App<br />

Servers<br />

JTAPI, Parlay,<br />

& Proprietary<br />

Subscriber<br />

Data<br />

App<br />

Servers<br />

App<br />

Servers<br />

App<br />

Servers<br />

Wireline<br />

Subscriber<br />

Data<br />

Features<br />

Wireline<br />

Subscriber<br />

Data<br />

Embedded<br />

Services<br />

DIAMETER<br />

SIP<br />

Session Control<br />

Call Control<br />

Call Control<br />

SIP<br />

SIP<br />

Signalling<br />

Bearer Path<br />

Control<br />

Signalling<br />

Gateway<br />

Media GW<br />

Controller<br />

Signalling<br />

Gateway<br />

Media GW<br />

Controller<br />

Switch<br />

Fabric<br />

SIP, H.323,<br />

& MGCP<br />

IP<br />

H.248/MEGACO<br />

Media<br />

Gateway<br />

IP<br />

H.248<br />

Media<br />

Gateway<br />

Analog<br />

Circuit Wireless<br />

IP<br />

Endpoints<br />

Analog<br />

Circuit Wireless<br />

SIP Endpoints<br />

Analog<br />

Circuit Wireless<br />

Traditional Switch Model<br />

Consolidated SoftSwitch Model<br />

3GPP/3GPP2 IMS Model<br />

All Rights Reserved © Alcatel-Lucent 2010

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