Cisco VG202 Manual de usuario descargar pdf (Pagina 15)

PROPRIETARY & CONFIDENTIAL

7.4 Configuring the Cisco Unified Communications Manager (UCM) Overview

7.4.1 Voice Services

Site Call Processi

ng, Voicemail Services as well as InterLATA and IntraLATA SCCP and SIP voice

calls are provided as defined here.

7.4.2 Call Processing

Cisco Unifie

d Communications Manager 7.1.3(b) was deployed using the distributed model.

Communications Manager Server, which provides primary call processing and telephony services,

can be deployed at one or two sites that maintain their own databases that are synchronized with

each other. In the event that the local Communications Manager server becomes unavailable, IP

Phones will attempt to register with the remote sites Communications Manager. Both

Communications Manager servers share the same database and are fully aware of devices and

phones registered to each other.

7.4.3 Voicemail Services

Site 1 utilizes a Cisco Unity Conne

ction server for voicemail services. Unity Connection is integrated

with Communications Manager and provides voicemail and auto attendant services for Site 1.

Site 2 has access to the Unity Connection server, but instead uses a local Cisco Unity Express

Network Module (CUE) for voicemail and auto attendant services. The CUE module is located within

the Cisco 2811 router.

Voicemail services are independent of each other and are not “networked” together. This means

that they are unable to forward messages to each others mail store and are unaware of users

configured outside their system.

7.4.4 Quality of Service

Quality of Service (QOS) i

s provided at both, layer 2 and layer 3 boundaries using the Cisco Auto

QOS feature. Both, RTP and signaling packets are tagged and passed on to the Cox’s IP Core

Network for proper differential treatment.

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Cisco VG202 Manual de usuario Pagina 15