Refer to the 'Cisco Messaging Interface' section. In addition, if the voice-messaging system uses SMDI, you must configure and run the Cisco Messaging Interface service. By creating a route group that contains individual gateway ports or T1 spans, you can enable simultaneous calls to a voice-messaging system. In Cisco CallManager Administration, you can provision the interface to gateway-based voice-messaging systems simply by provisioning an analog FXS gateway or a digital T1/E1 gateway with CAS or PRI protocols. The Cisco Messaging Interface service relays these indications to Cisco CallManager. Cisco CallManager also sends call history messages to the voice-messaging system using this same SMDI interface. These systems usually (but not necessarily) send message-waiting indications by using Simplified Message Desk Interface (SMDI) over an EIA/TIA-232 interface. PSTN Gateway Interfaces-H.323-based voice-messaging systems and legacy voice-messaging systems use PSTN gateway interfaces.Refer to 'Cisco Voice-Mail Port Configuration' in the Cisco CallManager Administration Guide. Directly connected voice-messaging systems send message-waiting indications by calling a message-waiting on and off number that is configured in Cisco CallManager Administration. To handle multiple, simultaneous calls to a voice-messaging system, you create multiple voice-mail ports and place the ports in a line group and the line group in a route/hunt list.

In Cisco CallManager Administration, you configure the interface to directly connected voice-messaging systems by creating voice-mail ports. Skinny Protocol-Directly connected voice-messaging systems that use Skinny protocol could use other protocols to communicate with Cisco CallManager.A gateway-based voice-messaging system connects to Cisco CallManager through analog or digital trunks that connect to Cisco gateways.Ĭisco CallManager interacts with voice-messaging systems by using the following types of interfaces: Directly connected voice-messaging systems communicate directly with Cisco CallManager by using a packet protocol. Call Forwarding in a Multiple Voice-Mail System EnvironmentĬisco CallManager supports both directly connected and gateway-based messaging systems.This chapter provides the following topics about configuring voice-messaging systems and features: Note You must enter all users and their directory numbers in Cisco CallManager Administration to make it possible for them to retrieve messages from a Cisco Unity voice-mail device.Ĭisco CallManager supports an increasing variety of voice-messaging systems and provides configuration of message-waiting indicators for all users, including those with shared line appearances.Īs the size or number of Cisco CallManager clusters increases in an enterprise, the likelihood that an administrator needs to deploy multiple voice-messaging systems also increases.

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