Symptom

Explanation

 

 

The softkey that you

One or more of the following factors might apply:

want to use does not

• You must press Options and scroll to reveal additional softkeys.

appear

• You must change the line state (for example, place a call or have a

 

 

connected call).

 

• Your phone is not configured to support the feature associated with

 

that softkey.

 

 

Barge fails and results

One or more of the following factors might apply:

in a fast busy tone

• You cannot barge an encrypted call if the phone you are using is not

 

 

configured for encryption. When your barge attempt fails for this

 

reason, your phone plays a fast busy tone.

 

• You cannot barge a call on another Cisco Unified Wireless IP Phone.

 

 

You are disconnected

You will be disconnected from a call that you have joined using Barge if the

from a call that you

call is put on hold, transferred, or turned into a conference call.

joined using Barge

 

 

 

CallBack fails

The other party might have call forwarding enabled.

 

 

The phone shows an

Your phone may reject your attempt to set up Call Forward All directly on

error message when

the phone if the target number that you enter would create a Call Forward

you attempt to set up

All loop or would exceed the maximum number of links permitted in a Call

Call Forward All

Forward All chain (also known as a maximum hop count). Ask your system

 

administrator for details.

 

 

Viewing Phone Administration Data

Your system administrator might ask you to access administration data on your phone for troubleshooting purposes.

If you are asked to...

Then...

 

 

 

 

Access network or wireless

Choose

> Device Information > Network or WLAN

network configuration data

 

 

 

and select the configuration item that you want to view.

 

 

 

Access status data

Choose

> Status and select the status item that

 

you want to view.

 

 

 

Access phone call and voice

Choose

> Status > Call Statistics.

quality information

 

 

 

 

 

98

OL-16131-01

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Cisco Systems 7921G Viewing Phone Administration Data, CallBack fails, If you are asked to Then, Status Call Statistics
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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.
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