Troubleshooting Solutions

Why is the light not coming on with a new Voice Mail Message?

Your phone system or service provider must provide “Visual” Message Waiting service for this function to work. Check with your system administrator for more information.

Why is my handset not working?

Check to ensure that the handset cord is fully connected to both the phone and handset. See the section "Connecting a Handset, Headset, or DHSG Headset" on page 11 for information.

Why is my speakerphone not working?

If you press Headset

and the speaker light flashes and you do not hear dial

Speaker/

tone, the Set Audio option has been used to set up the phone for headset

use; press Headset

a second time. If the light goes out, the phone is set up to

Speaker/

be used only with a headset or handset. If the light stays on steady and you hear dial tone, you can alternate between the speakerphone and the

headset by pressing Speaker/ . See the section, "Set Audio" on page 16 for

Headset

instructions on how to change the Set Audio feature.

Why is my display blank?

Ensure that power is being provided to your phone. If your Network does not provide Inline power over Ethernet, you can obtain an additional accessory, the a PoE inline power injector, to provide power over Ethernet locally to your phone. See the section "Connecting to the Network and to Power" on page 9 for details.

Can I turn the backlight for the screen on and off?

Yes. You can use the IP phone UI to turn ON and OFF the backlight for the screen.

1.Press the Options key.

2.Select Display>Backlight.

3.Press the Change key to turn the backlight on and off.

4.Press Save to save the change.

Why does the telephone wobble?

Make sure the cords are routed properly through the back of the phone, as indicated in the section, "Connecting a Handset, Headset, or DHSG Headset" on page 11. Check that the leg stands have been properly snapped into place. Since the legs can be oriented in two different ways and in two different positions to offer four different phone viewing angles, check that both legs are oriented in the same direction and in the same position on either side of the phone.

Troubleshooting Solutions

Model 6739i IP Phone Installation Guide 19

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Aastra Telecom 6739I manual Troubleshooting Solutions

6739I specifications

The Aastra Telecom 6739i is a high-performance VoIP phone designed specifically for professional environments that require advanced communication capabilities. With its sleek design and robust features, the 6739i is well-suited for busy office settings, ensuring that users remain connected and productive throughout the workday.

One of the standout features of the Aastra 6739i is its large, backlit display. The 3.5-inch graphic LCD screen provides clear visibility, making it easy to navigate through menus and access various functions. This is particularly beneficial in low-light environments where the illuminated display enhances usability. The phone also includes programmable keys, allowing users to customize their experience by assigning specific functions to each key based on their preferences.

The 6739i is equipped with support for up to 12 lines, making it an ideal solution for users who need to manage multiple calls simultaneously. This feature is particularly useful for receptionists or customer service representatives who handle high volumes of incoming calls. Additionally, the phone supports SIP (Session Initiation Protocol), ensuring compatibility with a wide range of VoIP service providers and enabling seamless integration into existing network infrastructures.

In terms of sound quality, the Aastra 6739i delivers exceptional audio through its HD Voice technology. This feature enhances call clarity, providing a more natural and enjoyable conversation experience. The phone also includes a high-quality speakerphone, which is ideal for hands-free communication during meetings or discussions.

Another notable characteristic of the 6739i is its support for advanced telephony features such as call forwarding, call transfer, and three-way conferencing. These capabilities allow users to manage their calls efficiently, enhancing collaboration within teams. Moreover, the phone is equipped with two Ethernet ports, facilitating network connectivity and allowing for easy integration into various network setups.

Security is also a priority with the Aastra 6739i, which includes robust encryption protocols to protect sensitive communications. This makes it a reliable choice for organizations that place a premium on data privacy and security.

In summary, the Aastra Telecom 6739i stands out as a feature-rich VoIP phone designed for professional users. With its large display, advanced call handling capabilities, superior sound quality, and focus on security, it meets the demands of modern business communication, ensuring users can stay connected and productive. Whether in a bustling office environment or in a home office, the 6739i is an excellent choice for enhancing communication efficiency.