Chapter 40 Cisco IP Phones

Directory Numbers

the call on hold, user can retrieve the call from the Cisco IP Phone 1 or Cisco IP Phone 2. When User 2 dials directory number 2000 for the second call, only Cisco IP Phone 2 and Cisco IP Phone 3 ring.

The following example demonstrates how an H.323 client, MGCP POTS Phone, and Cisco IP Phone with the same shared line appearance, directory number 2000, can use the Call Forward Busy Trigger and the Maximum Number of Calls settings. This example assumes that two calls occur. The following values have been configured for the devices:

–H.323 client—Configured for a maximum call value of 1 and busy trigger value of 1

–MGCP POTS Phone—Configured for a maximum call value of 1 and busy trigger value of 1

–Cisco IP Phone—Configured for a maximum call value of 2 and busy trigger value of 2

When User 1 dials directory number 2000 for the first call, all three devices ring. The user for the Cisco IP Phone picks up the call; when the user for Cisco IP Phone puts the call on hold, the user(s) for H323 client and MGCP POTS Phone cannot retrieve the call. If User 2 dials directory number 2000 for the second call, only the Cisco IP Phone rings. Users for the MCGP POTS Phone or the H.323 Client cannot answer the call.

For information on Maximum Number of Calls setting, refer to the “Directory

Number Configuration Settings” in the Cisco CallManager Administration

Guide.

The check box, Update Directory Number of All Devices Sharing this Line, in the Directory Number Configuration window, determines whether a shared directory number gets updated to all devices sharing the number. Refer to the “Update Directory Number of All Devices Sharing this Line” section on page 40-30for more information.

A shared line phone should not be able to interact with the call that it rejects, due to the limitation of the maximum number of calls per DN or for other reasons. For example, A and A’ share the same DN. A’ and A have the maximum number of calls set to 1 and 2, respectively. When C and D call the share line DN, A’ answers these two calls. A can only interact with the first call, as it rejects the second call due to its own maximum number of calls per DN limitation. For this reason, Cisco recommends that the same value be configured for the maximum number of calls for all shared line MCID

 

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Cisco Systems 7914, 7936, 7935, 12 series manual 40-28
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12 series, 7935, 7914, 7936 specifications

Cisco Systems 7936 is a conference phone that is widely recognized for enhancing collaboration in meeting environments. Equipped with advanced features and technologies, this device provides users with a seamless communication experience, making it a preferred choice for businesses of all sizes.

One of the standout features of the Cisco 7936 is its high-definition audio quality. Utilizing wideband audio technology, it ensures crystal clear voice reproduction, allowing participants to hear every word clearly, no matter their distance from the microphone. This feature is particularly valuable in large conference rooms where sound clarity can often be a challenge.

The Cisco 7936 is designed with an integrated microphone array that allows for 360-degree audio pickup. This means that all participants, whether they are sitting directly in front of the device or at the far end of the table, can be heard clearly. With this feature, there is no need for multiple microphones, which simplifies the setup and reduces clutter.

Another key characteristic of the Cisco 7936 is its exceptional ease of use. The phone features a large, intuitive interface with a backlit display, making it easy to navigate through the various options and settings. Users can make calls, access directories, and manage conference features with minimal effort, resulting in a smoother meeting experience.

The Cisco 7936 operates using Power over Ethernet (PoE), which allows the device to receive both power and data through a single Ethernet connection. This not only simplifies installation by reducing the number of cables required but also enhances the flexibility of placement in conference rooms.

In terms of compatibility, the Cisco 7936 works seamlessly with Cisco Unified Communications Manager and other VoIP platforms, ensuring that organizations can integrate it into their existing communication systems with ease. This interoperability allows businesses to leverage their technology investments while providing a reliable conferencing solution.

Security is another critical aspect of the Cisco 7936. The device supports encrypted voice communication protocols, ensuring that sensitive discussions remain private and secure. This is particularly important in corporate settings where confidentiality is paramount.

In summary, the Cisco Systems 7936 conference phone delivers exceptional audio quality, ease of use, and flexible deployment options. Its innovative technologies and robust security features make it an ideal solution for organizations looking to enhance their meeting environments and facilitate effective communication. With the Cisco 7936, businesses can ensure that every meeting is productive, secure, and efficient.
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