7921 - intermittently flip to vibrate

Unanswered Question
May 4th, 2009

Running into an issue where multiple users have complained that their 7921 phones have flipped to vibrate without their involvement.

I realize holding the asterisks key can engage vibrate - thinking that could be hit by accident in a pocket or something.

I have talked to numerous users that state that they have the keypad locked and many times the phone will flip to vibrate and their missing calls.

Anybody else run into a similar scenario?

Using CM 4.2 and default firmware.

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migilles Tue, 05/05/2009 - 19:00

They may be pressing the down arrow accidentally. For the * key to trigger vibrate it must be pressed and held for 1 second.

Are these shared lines? If the line is in use remotely, believe the keypad can become unlocked.

Please ensure that you are using 1.3(2) firmware for the 7921.

RKeller31 Mon, 05/18/2009 - 10:28

No, not shared lines. Good thought though...

We did try to upgrade to the latest firmware, however it caused major problems and we had to revert back. Calls would have intermittent dead silence on both ends for a second or two or three periodically.

migilles Thu, 05/21/2009 - 13:25

Would need more info on these other issues in regards to audio gaps. Are you using the WLAN controller and CCKM? If so, which WLC and AP version are you using?


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