No Response from Feature Key Presses

Verify phone is in active state:

•Make a call to the phone to check for inbound call display and ring- ing as normal. If successful, try to press feature keys within the call to access Directory or Buddy Status for example.

•Press followed by Status and Lines to confirm line is actively registered to the server.

•Reboot the phone to attempt re- registration to the server.

Display shows “Network Link is Down”

Verify LAN cable is properly connected:

•Check termination at the switch or hub (furthest end of the cable from the phone).

•Check that the switch or hub is operational (flashing link/status lights) or contact your system administrator.

•Press followed by Status, Network, and Ethernet. Scroll down to verify LAN port is Active.

•Reboot the phone to attempt re- registration with the server.

Safety and Compliance

Part 15 Rules

This device is compliant with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1.This device may not cause harmful interference, and

2.This device must accept any inter- ferences received, including inter- ference that may cause undesired operation.

Class B Digital Device or Peripheral

Note: This equipment is tested and com- plies with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to pro- vide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interfer- ence to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful inter-

ference to radio or television reception, which can be determined by turning the equipment off and on, the user is encour- aged to try to correct the interference by one or more of the following measures:

1.Reorient or relocate the receiving antenna.

2.Increase the separation between the equipment and receiver.

3.Connect the equipment into an out- let on a circuit different from that to which the receiver is connected.

4.Consult the dealer or an experience radio/TV technician for help.

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Polycom 4000 SIP 2.2 Safety and Compliance, Class B Digital Device or Peripheral, No Response from Feature Key Presses
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4000 SIP 2.2 specifications

The Polycom 4000 SIP 2.2 is a powerful conference phone renowned for its high-quality audio, user-friendly interface, and robust connectivity options. As part of the Polycom family of communication solutions, it is designed to enhance collaboration in any business environment, whether in a small meeting room or a large conference hall.

One of the standout features of the Polycom 4000 SIP 2.2 is its HD Voice technology. This ensures crystal-clear audio quality that minimizes background noise, making conversations more productive and enjoyable. The phone utilizes Polycom's patented Acoustic Clarity Technology, which provides full duplex audio with high-frequency responses. This means users can speak and be heard at the same time without any interruptions or distortions, offering a natural conversation experience.

Equipped with a user-friendly interface, the Polycom 4000 SIP 2.2 allows users to quickly access key functions, including call management, volume control, and mute options through its conveniently designed keypad. The display provides essential information at a glance, making it easier to manage calls and navigate settings.

The device supports SIP (Session Initiation Protocol) for seamless integration with various VoIP (Voice over Internet Protocol) systems. It is compatible with numerous platforms, including Microsoft Teams and Skype for Business. This flexibility ensures that businesses can easily incorporate the Polycom 4000 SIP 2.2 into their existing communication infrastructure.

In terms of connectivity, the Polycom 4000 SIP 2.2 is equipped with multiple network options, including ethernet and Wi-Fi, allowing users to connect effortlessly to their corporate networks. The phone also supports Power over Ethernet (PoE), which simplifies installation by eliminating the need for separate power cables.

Several additional features enhance its usability, such as directory access for quick dialing, call transfer and hold capabilities, and a large number pad for easy navigation. The Polycom 4000 SIP 2.2 also supports conference call functionality, accommodating multiple callers seamlessly and making it a perfect solution for team collaborations.

In summary, the Polycom 4000 SIP 2.2 stands out as an advanced conference phone that combines superior audio quality with user-friendly features and flexible connectivity options. It is an ideal choice for businesses seeking to improve their communication efficiency and create a more dynamic collaborative environment.
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