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SS II komplet_2011-2012.pdf

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IMS Multimedia Telephony solution overview<br />

Network Assurance<br />

Network Provisioning<br />

Multimedia Telephony<br />

Services<br />

ICS<br />

Presence<br />

Application<br />

Layer<br />

Network & Services<br />

Management<br />

User and Service<br />

Management<br />

Charging<br />

Mediation<br />

DNS / ENUM<br />

TDM<br />

MGCF/SG<br />

ISUP<br />

PSTN/PLMN<br />

SIP<br />

ISUP<br />

MG<br />

H.248<br />

RTP<br />

RTP<br />

Diameter<br />

SIP<br />

CSCF<br />

SIP<br />

A-SBG<br />

SIP<br />

RTP<br />

IP Backbone<br />

SIP<br />

RTP<br />

H<strong>SS</strong><br />

N-SBG<br />

SIP<br />

RTP<br />

Control Layer<br />

Connectivity<br />

Layer<br />

SIP/H323<br />

Other<br />

operators<br />

SIP and<br />

H.323<br />

RTP SIP/H323<br />

IP PBX<br />

LAN<br />

IAD<br />

Legacy<br />

PBX<br />

Multimedia Telephny Services<br />

IP centrix and<br />

Residential services<br />

Presence<br />

Precense Server<br />

CSCF<br />

H<strong>SS</strong><br />

Call Session Control Function<br />

Home Subscriber Server<br />

MGCF Media Gateway Control Function<br />

SG<br />

MG<br />

Signalling Gateway<br />

Media Gateway<br />

A-SBG<br />

Access Session Border<br />

Gateway<br />

N-SBG<br />

Network Session Border<br />

Gateway<br />

Matus Turcsany | © Ericsson AB 2010 | December <strong>2011</strong> | Page 36

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