Cisco Systems OL-14619-01 manual Domain Controller Access and Availability

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Chapter 3 Network Infrastructure Requirements

Availability of Network Resources

•Administrators access the Cisco Unity Administrator from other servers, which is primarily done when using the administrative web interfaces. Typically, if a server name is used instead of an IP address, the server name must be resolved to an IP address before access can occur over the network.

•Subscribers access the Cisco Unity Assistant or the Cisco Unity Inbox. Typically, if a server name is used instead of an IP address, the server name must be resolved to an IP address before access can occur over the network.

The Cisco Unity server must use Dynamic DNS (DDNS) or another version of DNS that supports dynamic updates as described on the Microsoft website. Simply creating a host file on the Cisco Unity server is not sufficient.

When Domino is the message store, note the following:

•If Notes clients are using Notes Name Resolution, Cisco Unity must also use Notes Name Resolution through the Notes client that is installed on the Cisco Unity server. DDNS is required on the Windows domain controller in the domain to which the Cisco Unity server belongs.

•You can install the Windows DNS service on the Cisco Unity server in either a Unified Messaging or a Voice Messaging configuration. With Domino, the Cisco Unity server is configured as a Windows domain controller to service Domino Notes clients via DUC. This is a Cisco Unity requirement, not a DUC requirement. The Cisco Unity server supports its own dedicated domain for Domino.

When Exchange is the message store, note the following:

•The DDNS server must be accessible by Cisco Unity and the supporting Exchange servers.

•In a Voice Messaging configuration with failover, install the Windows DNS service on the Cisco Unity secondary failover server or on a dedicated DC/GC server.

•In a Voice Messaging configuration without failover, when the Cisco Unity server is a Windows domain controller and all other servers in the domain are Exchange servers that are used only to support Cisco Unity, install the Windows DNS service on the Cisco Unity server. In this configuration, the Cisco Unity server supports its own dedicated domain for Exchange.

•In a Unified Messaging configuration when Exchange is the message store, do not install the Windows DNS service on the Cisco Unity server.

Domain Controller Access and Availability

For all configurations and all message stores, Cisco Unity must have access to a Windows domain controller to authenticate service accounts and, when Exchange is the message store, to authenticate subscribers.

When Domino is the message store, subscribers can be authenticated for GUI-based access to

Cisco Unity by using either Windows authentication or Domino authentication; Domino authentication does not require access to a Windows domain controller.

Availability of Message Store Servers

When Cisco Unity is installed, the installer specifies one Domino or Exchange server that Cisco Unity connects with; this is known as the partner Domino server or the partner Exchange server. The partner server is the home of the Cisco Unity system mailbox (alias: Unity_<ServerName>. The Unity system mailbox is the mailbox that originates voice messages from outside callers. The partner server is also the home for default mailboxes and distribution groups (Cisco Unity distribution lists) that are created

Design Guide for Cisco Unity Release 5.x

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Contents Design Guide for Cisco Unity Americas HeadquartersDesign Guide for Cisco Unity Release N T E N T S Workstations Authentication Centralized Voice Messaging Configuration Viii Audience Document ConventionsSupport Policy for Optional Third-Party Software Cisco Product Security Overview Xii Product Area Design or Feature Documentation Design Guide OverviewDesign Guide for Cisco Unity Bridge at Page Design Guide Overview Design Guide for Cisco Unity Release Cisco Unity Concepts How Cisco Unity WorksUnified Messaging Voice MessagingHardware Components of a Cisco Unity System One or More Cisco Unity Servers Cisco Unity Supported Platforms List atNetwork Connection Optional for Some Configurations Where Cisco Unity Stores Data Software Components of a Cisco Unity SystemVoice Messages Are Stored in Domino or Exchange DominoExchange Enabling Cisco Unity Servers to Communicate with One Another Networking Guide for Cisco Unity at Some Configuration Settings Are Stored in the Registry Name Resolution Availability of Network ResourcesDomain Controller Access and Availability Availability of Message Store ServersUsing Firewalls with Cisco Unity Sizing and Scaling Cisco Unity ServersStorage Capacity for Voice Messages Number of Voice PortsAudio Codecs How Codecs Affect the File Size of Voice MessagesTTS, TTY, Pocket PCs, and Hand-Held Computers Interoperability Among Multiple Voice-Messaging SystemsAudio Codec Quality RatingDeployment Models Unified Messaging with Customer-Provided Infrastructure Voice Messaging with Customer-Provided Infrastructure Multi-Site WAN with Distributed MessagingPhysical Placement and Network Infrastructure Considerations for Customer-Provided Infrastructure Active Directory ConsiderationsDesign Guide for Cisco Unity Release Exchange Considerations All Versions Exchange Considerations That Apply Only Exchange Considerations for Cisco-Provided, Dedicated Infrastructure OL-14619-01 Overview of Cisco Unity with Domino and Notes Maximum Number of Cisco Unity Subscribers Domino Address Book TerminologyChanges That csAdmin Makes to the Domino Address Book Element NameChanges That csClient Makes to the Mail File Server Placement Windows Domains and Domino DomainsAuthentication Active Directory Accounts and PermissionsCisco Unity Subscribers and Domino Users Domino PermissionsDomino Clusters Client Access Licenses Cisco Unity and the Domino Address BookMessage Routing Backing Up and Restoring DataUnified Messaging, No Domino Cluster Unified Messaging ConfigurationsServers Requirements and Recommendations Criteria for a Supported Configuration Voice Messaging ConfigurationUnified Messaging, Domino Cluster Deploying Cisco Unity for Lotus Domino Administrative Access and Control Network ServicesDeployment Tasks for Unified Messaging Configurations Establishing Support PoliciesOperational Tasks Design Guide for Cisco Unity Release Integrating Cisco Unity with the Phone System OverviewHow an Integration Works Integration with Cisco Unified Communications Manager Lines and Cables to Make Physical ConnectionsDigital Integration with Digital Pimg Units Dtmf Integration with Analog Pimg Units Timg Integration LAN/WANDtmf Integration with Voice Cards Serial Integration with Voice CardsSettings in the Phone System and in Cisco Unity Connections for a Serial Integration by Using Voice CardsCall Control General Integration Issues Feature Sccp SIPIntegrating Cisco Unity with the Phone System Option Considerations Cisco Unified Communications Manager Security Features DescriptionDescription When Data Is Encrypted Setting EffectSettings for Individual Voice Messaging Ports Disabling and Re-Enabling SecurityPacketization Sccp Integrations Only Sccp SIP Cisco 11 Cisco Unified Communications Manager Fallback with Pstn Cisco Unity to a branch office will fail Integrating by Using SIP Cisco Unity Failover with SIP Trunks Supported SIP IntegrationsSIP Compliance Description of Pimg Integrations Dtmf Integration with Analog Pimg Units Description of Timg Integrations Setup and Configuration Firmware Updates Serial IntegrationsIncreasing Port Capacity Cisco Unity FailoverCisco Unity Failback Multiple Integration Support/Branch Office ConsolidationIntegrating with Multiple Phone Systems Using Sccp Phone Systems with Other Integrations Requirements for Integrations with Multiple Phone SystemsOptional Integration Features Alternate ExtensionsReasons to Use Alternate Extensions How Alternate Extensions WorkAlternate MWIs MWIs for Extensions on a Non-Integrated Phone SystemCentralized Voice Messaging OL-14619-01 OL-14619-01 Cisco Unity Failover and Standby Redundancy FailoverStandby Redundancy Cisco Unity Failover and Standby Redundancy Cisco Unity Failover and Standby Redundancy Diagram of a Standby Redundancy Configuration Pstn WANOL-14619-01 Voice-Recognition Access to Cisco Unity OL-14619-01 Migrating to Cisco Unity from Another Voice-Messaging System Migrating to Cisco Unity from Another Voice-Messaging System D E IN-2 IN-3 IN-4
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