Aastra 6739i Installation Manual

Also see for Clearspan 6739i: Administrator's guide Configuration guide Administrator's guide User manual User manual

Aastra 6739i Installation Manual Manual pdf 27 page image

Troubleshooting Solutions41-001310-06 Rev 02 – 04.2012 23Troubleshooting SolutionsWhy 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. Checkwith 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 aHandset, Headset, or DHSG Headset” on page 10 for information.Why is my speakerphone not working?If you press and the speaker light flashes and you do not hear dial tone, the Set Audio option has been used to setup the phone for headset use; press a second time. If the light goes out, the phone is set up to be used only with aheadset or handset. If the light stays on steady and you hear dial tone, you can alternate between the speakerphone andthe headset by pressing . See the section, “Set Audio” on page 17 for instructions on how to change the Set Audiofeature.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 canobtain 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 8 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.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 Hand-set, Headset, or DHSG Headset” on page 10. Check that the leg stands have been properly snapped into place. Since thelegs 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.1. Press the key.2. Select Display>Backlight.3. Press the Change key to turn the backlight on and off.4. Press Save to save the change.