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Cisco Systems 7920 appendix Using Open Authentication, Static WEP Keys, and VLANs, Troubleshooting

Models: 7920

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2.If the Cisco CallManager configuration is correct, the Cisco 7920 should have registered with the CallManager server. You should now be able to place calls between the Cisco 7920 and your other IP Phone.

Troubleshooting

All of the troubleshooting guidelines can be found in the Troubleshooting Guidelines section at the end of this document.

Using Open Authentication, Static WEP Keys, and VLANs

This task adds support for VLANs, to build on the previous task. The implementation of VLANs requires configuration changes on the Cisco 7920 and on the Cisco Aironet 1200 AP. The 1200 AP can be configured with different SSIDs for each VLAN. For example, you can use ￿VLAN1￿ as the SSID for VLAN1 and ￿VLAN2￿ as the SSID for VLAN2. The Cisco 7920 uses its SSID to determine which VLAN that it should use. If you want the Cisco 7920 to use VLAN2 then you would configure its SSID to VLAN2.

In this example, VLAN1 is the default VLAN. The Cisco 7920 will be configured to use VLAN2, and then VLAN2 will be added to the Cisco Aironet 1200 AP.

Configuring the Cisco 7920

Note: This task uses the same WEP key that was used in the first task. Therefore, it does not include the instructions to establish the WEP key on the Cisco 7920.

This task assumes that you are using DHCP to obtain the correct IP address and default gateway for the Cisco 7920. You must also configure your DHCP server with a scope for the new VLAN. Refer to Using One DHCP Server for Voice and Data Networks for more information on DHCP. If you use a static IP address and default gateway address, then you must change the current IP address on the System Parameters tab in the Cisco 7920 Configuration Utility to a legitimate address on the new subnet, before you export the new configuration to the Cisco 7920. Change the IP address between Steps 11 and 12 in the next procedure.

Step−by−Step Instructions

The instructions in this section guide you through the minimum steps that are required to configure the Cisco IP Phone 7920 to use VLAN2￿s SSID.

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Cisco Systems 7920 appendix Using Open Authentication, Static WEP Keys, and VLANs, Troubleshooting
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7920 specifications

Cisco Systems, a leading player in the global networking and communications technology sector, designed the Cisco 7920 Wireless IP Phone for mobile professionals seeking seamless connectivity in various environments. Primarily aimed at enhancing communication within enterprise settings, this wireless device offers a plethora of features that cater to the specific needs of businesses.

At the core of the Cisco 7920 is its robust wireless functionality. It operates on IEEE 802.11b/g wireless protocols, allowing users to connect effortlessly to Wi-Fi networks. This flexibility enables employees to communicate effectively from various locations within an office space, promoting mobility and collaboration without being tethered to a desk.

The ergonomic design of the Cisco 7920 prioritizes user comfort. Its lightweight casing and intuitive button layout ensure that users can navigate the interface with ease. The device is equipped with a vibrant color display, allowing for clear visibility of caller ID, call status, and menu options, enhancing the user experience further. Additionally, the handset supports a wide variety of languages, making it suitable for global teams.

In terms of features, the Cisco 7920 is loaded with advanced capabilities. It supports voice over IP (VoIP), delivering high-quality audio and ensuring reliable communication. Users benefit from features like a contextual menu, call hold, transfer, conference calling, and voicemail access on the go. The phone also offers a wide range of ringtones, allowing customization to suit personal preferences or company branding.

Security is a crucial aspect of modern telecommunications, and the Cisco 7920 does not fall short. It incorporates industry-standard security protocols such as Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA), safeguarding communications from potential threats.

Moreover, the Cisco 7920 integrates seamlessly with Cisco Unified Communications Manager, enabling centralized management and control. This integration ensures that IT departments can deploy, manage, and troubleshoot devices efficiently, streamlining operations while ensuring optimal performance.

In conclusion, the Cisco 7920 Wireless IP Phone stands out as a versatile communication tool designed for the fast-paced workplace. Its combination of wireless connectivity, ergonomic design, advanced features, and robust security makes it an essential accessory for businesses looking to elevate their communication strategies. With its established reputation, Cisco continues to support companies in achieving seamless connectivity and effective collaboration.