Cisco Systems 7921G manual Lock Set for Phone, Charging Configuration Charging Time

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Lock Set for Phone

Figure 3 Multi-Charger

3

1

 

2

1Upper compartment—For phone

2Lower compartment—For spare battery

185440

3LED indicators—Indicate charging status

Table 4 provides approximate battery charging times for various multi-charger configurations.

Table 4

Battery Charging Time and Multi-Charger Charging Configurations

 

 

Charging Configuration

Charging Time

 

 

Standard battery in lower compartment

3.5 hours

 

 

Extended battery in lower compartment

5 hours

 

 

Standard battery installed in the phone with phone powered on

3 hours

 

 

Extended battery installed in the phone with phone powered on

4.5 hours

 

 

 

Note Separate AC power cords for use outside of the United States are available for the multi-charger power supply.

Lock Set for Phone

The lock set, as shown in Figure 4 includes the cable, the C-ring, and the combination lock.

To install the lock on the phone, see Figure 4 and follow these steps:

Cisco Unified Wireless IP Phone 7921G Accessory Guide

 

OL-11926-02

7

 

 

 

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Contents Cisco Unified Wireless IP Phone 7921G Accessory Guide AC Power Supply Battery TypesType Technology Talk Time Standby Time Battery Part Numbers Standard Hours Extended Power SupplyDesktop Charger with Speakerphone ProcedureDesktop Charger with Speakerphone Charging Times Desktop Charger ConfigurationExtended Battery Multi-ChargerLock Set for Phone Charging Configuration Charging TimeProcedure Headsets Holster Carry Case Carry CasesLeather Carry Case Shoulder Strap for Carry Case USB Cables Protective Cover CasesPhone to A-Type 48-Inch USB Cable Phone Accessories Part Number Part Numbers for AccessoriesStandard A-Type to B-Type 48-Inch USB Cable Related Documentation Guidelines for Using Accessories and the PhoneCisco Product Security Overview
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7921G specifications

The Cisco Systems 7921G is a notable wireless VoIP phone designed specifically for business environments. It enhances communication capabilities by merging the advantages of Voice over Internet Protocol (VoIP) with the mobility of wireless technology. The 7921G caters to the needs of enterprises that require reliable connectivity and flexibility.

One of the standout features of the Cisco 7921G is its ergonomic design, which includes a large color display screen that enhances usability. The phone's intuitive interface allows users to navigate through menus effortlessly. Additionally, the device supports a wide range of languages, making it a suitable option for global enterprises.

Technically, the 7921G operates on the IEEE 802.11b/g wireless standards, which ensures compatibility with existing Wi-Fi networks. It employs advanced security protocols such as WPA and WPA2 to safeguard communications against unauthorized access. This is critical for organizations where data security is a top priority.

The device supports a range of advanced telephony features, including call hold, transfer, and three-way conferencing. These features facilitate effective collaboration among team members, regardless of their physical locations. The 7921G also includes support for XML-based applications, enabling custom business applications to be integrated seamlessly.

Battery life is another essential characteristic of the Cisco 7921G. It comes equipped with a rechargeable battery that provides sufficient talk time for a busy workday. Furthermore, the phone features Energy Efficient Ethernet, enhancing power management and reducing overall operational costs.

Audio quality is paramount in any VoIP device, and the 7921G excels in this area with wideband audio technology. This ensures crystal-clear voice clarity, allowing for more natural conversations. In addition, the integration of advanced noise-cancellation technology minimizes background distractions, making conversations more focused and productive.

Moreover, the Cisco 7921G is designed to integrate seamlessly with Cisco Unified Communications Manager, providing IT departments with a unified management experience for VoIP deployment. The combination of features, technologies, and characteristics makes the Cisco 7921G a valuable asset for businesses seeking to improve their communication solutions, offering a balance of mobility, functionality, and security.