Unified Communications Deployment Models

28.02.2010 | Author: admin | Posted in Cisco
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Unified
Communications Deployment Models



Deployment
Models

Centralized Call Processing



Подпись: S0L UUU □ □□□□ Branch BUnified CM
cluster and application at central/HQ site DSP resources should be distributed
to large branch sites Supports up to 30,000 SIP or SCCP phones per cluster

Survivable Remote Site Telephony (SRST) for
remote branches Maximum 1000 sites per cluster (500 branches before Unified CM
6.x) Some remote branches may have PSTN connectivity



Deployment
Models

Distributed Call
Processing (Unified CM-Unified CM Model)



■

Unified CM,
applications, and DSPs located at each site

■ Up to 30,000 SIP or SCCP
phones per cluster

■ 100+ sites

■ Transparent use
of PSTN if IP WAN unavailable

■ Each cluster can
be single site or centralized call processing topology

BRKVVT-2602_c1       © 2009 Cisco Systems,
Inc. All rights reserved.                                                   Cisco
Public



Deployment
Models

Distributed Call
Processing (Unified CM-Unified CME Model)

Headquarters
^GK^ Gatekeeper

Unified CM,
applications located at HQ or Branch site DSP resources located at each site
Up to 30,000 phones per Unified CM cluster Up to 240 phones per
Unified CME 100+ sites

Transparent use
of PSTN if IP WAN unavailable

Applications
(VMail, IPCC, MP...)

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