To administer Cisco Unity and Cisco PA efficiently and effectively, it is important to have an understanding of the environment they inhabit and operate within. Understanding how calls route through the systems and what you can do with them as they travel is crucial to your ability to administer a Cisco unified communications system.
Understanding how calls flow through the unified communications systems is very important for system administrators of PA and the voice-messaging system Cisco Unity. As you become more familiar with how calls flow through the system, you will be able to change the flow as needed and troubleshoot problems more efficiently. Generally, this is a person who is calling in from the outside who wants to reach an individual at a place of business. When a subscriber is busy or away from their phone, Cisco Unity can answer the call and take a message for them.
In addition, if Cisco Unity subscribers call in from a phone other than their defined office extension, Cisco Unity treats those calls as outside callers until they sign in and identify themselves. Figure illustrates how a call from an outside caller might flow through the system, the corresponding steps of which are described next:. The outside caller dials a phone number from his mobile phone.
The DID number is programmed to ring a phone extension. The telephone rings four times, but the subscriber does not answer the phone because he is busy working on a presentation.
The telephone system has been programmed to forward any unanswered calls to voice mail after four rings. The telephone system forwards the outside caller to the voice-mail system. Cisco Unity receives the call and the extension of the subscriber to take a message for.
Cisco Unity has a list of subscriber extensions and the e-mail aliases to send messages to. Cisco Unity records a message from the caller, addresses it to the subscriber's alias, and then sends it to the message store server.
The message store server receives the message and stores the message for the subscriber. While Cisco Unity is monitoring events in the message store, it notices a new voice-mail message for the subscriber and sends the message waiting indicator MWI ON code to the telephone system for the subscriber's extension.
The telephone system lights the lamp at the subscriber's telephone set. The telephone now displays an MWI to alert the subscriber of a new message.
If a previous message had been sent to this subscriber, the MWI would have been activated at that time. Therefore, the lamp or indicator remains activated. A Cisco Unity subscriber is a person who has a user account on the Cisco Unity system. Each subscriber account has a Profile page that stores specific information about that subscriber, such as the extension, security code, recorded name, and the e-mail alias to send messages to.
Figure illustrates the call flow of a subscriber who is retrieving a message from Cisco Unity, the corresponding steps of which are described next:. The subscriber notices the MWI on her telephone and calls the voice-mail system to retrieve messages. The telephone system directs the call and the caller information the telephone extension to the Cisco Unity system.
Cisco Unity receives the call and the extension of the telephone from the telephone system. Cisco Unity recognizes the extension from its list of subscribers, and accesses the subscriber's e-mail message store to retrieve the voice message. Cisco Unity asks the subscriber to enter her password. After entering the password, Cisco Unity offers to play the message for the subscriber.
The subscriber chooses to listen to the message. Cisco Unity plays it and then offers a menu of actions to take with the message, such as save as new, delete, or forward.
The subscriber presses the digit 3 to delete the message. If the subscriber hangs up while the message is being played or does not press 3, then the MWI turns back on. Cisco Unity verbally confirms to the subscriber that the message is deleted and sends the subscriber's delete message command to the message store server.
The message store deletes the message. The message is either deleted or moved to the deleted items folder, depending on the settings in the subscriber's account. Cisco PA is a system that provides a way to connect calls to the particular telephone number at which you can be reached at a given time.
When callers try to contact you through Cisco PA, you can set it up with different instructions on where you would like to be reached depending on the calling number and time. Figure illustrates how a call from an outside caller might flow through a system that is using Cisco PA, the corresponding steps of which are described next:. The outside caller dials a phone number from his cell phone. The PSTN routes the caller to the office communications equipment.
Cisco PA checks the subscriber's transfer rules and the current date and time so it can correctly process the call based on previous instructions the subscriber has given Cisco PA. At that time, the rules indicate the subscriber wants all calls sent to the desk phone.
Cisco PA sends an initiate-transfer sequence to Cisco CallManager, along with the extension to which the call should be transferred. As a subscriber to Cisco PA, you can set up specific rules to manage when and where the calls you receive go.
You can also use speech recognition with a corporate directory or personal address book to have PA dial a telephone number by saying the name of the user. Figure illustrates a call flow of a subscriber interacting with PA, the corresponding steps of which are described next:. The subscriber wants to call Pat Carpenter on Pat's mobile number. The subscriber picks up the handset and dials the extension of Cisco PA.
PA requires the subscriber to log on. After the subscriber is logged on, Cisco PA asks the subscriber what to do. In response to this question, the subscriber says "Call Pat Carpenter's mobile phone. Cisco PA performs the speech recognition and looks for a match in the corporate directory, where it finds an entry for Pat's mobile phone.
Cisco PA then sends the transfer-initiate sequence to Cisco CallManager and the telephone number to connect the call. Cisco CallManager receives the request and the phone number. It makes a connection to the appropriate office communications equipment and sends Pat's mobile number to the PSTN. I would like to receive exclusive offers and hear about products from Cisco Press and its family of brands.
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For instance, if our service is temporarily suspended for maintenance we might send users an email. Users can save time and increase productivity with quick and efficient access to messages, from the devices and applications they use, delivered in the format they want. Unity Connection supports audio messaging, speech to text message transcription, as well as video greetings, video auto attendants, and phone to phone video messaging.
Unity Connection is virtualized, flexible, and easily integrated into diverse network and application environments. Unity Connection is managed including provisioning, service activation, monitoring, performance analysis and reporting, upgrade and migration management, and license management by Prime Collaboration. This same application manages the entire Cisco voice and video deployment. Flexible in size and scale, Unity Connection is the unified messaging solution consistently selected by mid-size and global corporations, government agencies, and the security conscious since Skip to content Skip to search Skip to footer.
Simple Unified Messaging for Enhanced Collaboration Cisco Unity Connection is a robust unified messaging and voicemail solution that provides users with flexible message access options and IT with management simplicity. Video Data Sheet Provide users with flexible message access options and IT with management simplicity.
Learn More. Benefits Cisco Unity Connection boasts a comprehensive feature set that includes numerous benefits, some of which are listed below. Fast, Flexible User Access to Messages Users can save time and increase productivity with quick and efficient access to messages, from the devices and applications they use, delivered in the format they want. Simple and Cost-Effective Administration and Management Unity Connection is virtualized, flexible, and easily integrated into diverse network and application environments.
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