When a call comes into my phone I do not get the notification on my headset. It does not beep ! The Headset is connect via cable and does not have a lifter, it uses the electronic hook switch cable.

SOURCE: headsets keeps beeping and battery is not low

sounds like the non replaceable battery is bad get another headset cheap at www.n1wireless.com

SOURCE: No 3 beep notification in the earpiece of an incoming call

I had the same problem and the cause was the handset lifter and not the earpiece--if the ringtone is too low at the lifter, it won't be detected and transmitted to the earpiece. Cranked up the ringtone and everything is fine.

If that doesn't take care of the problem you might look at whether or not you're using custom ringtones which might cause a problem. Switch them back to the defaults and see if the problem goes away.

SOURCE: GN 9350 Wireless Headset doesn't ring on the headset when phone rings

It only picks up certain digital rings. I changed the ringer on my phone and had the same problem. To fix it, I had to plug in the little microphone that plugs into the handset lifter and place the mic over the ringer speaker. Now it works fine.

SOURCE: GN 1000 lifter/GN9350 headset with Nortel NTDU92 phone

I was wondering if you had installed the external ring sensor, this sensor most be over the telephones speaker, if the speaker isn't under the handset. hope this can help.

SOURCE: Plantronics CS55/HL10 Wireless Office Headset System with Lifter won't lift headset

You may need to re-subscribe the headset.

NOTE: Before re-subscribing the system make sure the IntelliStand switch (on the right side of the charging base) is in the "_" position and NOT the "=" position.

To Re-Subscribe:

The headset and the base unit are supplied subscribed to each other. However, if you wish to use a replacement headset with the base unit (or if you lose your connection to the base unit), then you must re-subscribe as follows:

1. Return the headset to the charging base.

2. Press and hold both the + and - buttons on the back of the charging base until the red light on the front of the base starts to flash.

3. Let go of both buttons. The red light should continue to flash.

4. Press the mute switch (black wheel on the top of the headset) straight down until a green light appears on the headset, then let go of the wheel, and the light should remain on the headset.

5. Resubscription is finished when the red light on the base is fully illuminated and the green light on the headset disappears.

6. Remove the headset from the charging base lift telephone handset/press headset button if not using a handset lifter. The headset and base should now be connected.

7. If this procedure does not resolve your issue to try a system reset.