did-and-callmanager - Cisco CallManager: Understanding...

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Direct-Inward-Dial (DID) Document ID: 43961 Introduction Prerequisites Requirements Components Used Conventions Implement DID in a Cisco CallManager Environment DID Supported Solutions DID Alternatives in an FXO Environment: Auto Attendant Options Using Translation Patterns Related Information Introduction Direct-Inward-Dial (DID) is a service offered by telephone companies that enables callers to dial directly into an extension on a PBX and not use an auto-attendant. This document addresses the various DID options supported when you implement a Cisco CallManager solution. This document also offers possible workarounds that employ auto-attendant solutions for customers with Cisco voice cards that do not natively support DID. Prerequisites Requirements Readers of this document should have knowledge of these topics: Understanding Direct Inward Dial (DID) Voice Interface Cards Analog DID for Cisco 2600 and 3600 Series Routers Understanding Direct-Inward-Dial (DID) on IOS Voice Digital (T1/E1) Interfaces Components Used This document is not restricted to specific software and hardware versions. The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command. Conventions
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did-and-callmanager - Cisco CallManager: Understanding...

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