How do i put it into pairing mode? - Plantronics Discovery 925 Bluetooth Headset

I had the same issue, fixed by using the Manual mode for pairing. From the manual:

2) Manual Pairing (Pairing with another phone or re-pairing)
a) With the Power off, press the CALL button and move the power switch to the
'ON' position at the same time for 4 seconds.
b) When the headset enters Pairing Mode, the LED indicator will show a solid
blue light. After the procedure repeat Easy Pairing steps c through f.

Steps C through F are to go to the bluetooth settings area and manually select the HBS-700 for pairing.

clear any past stored passwords. reset unit and put into discovery mode. Usually holding the pair button for a few seconds puts the LED blue into fast flashing - discvery mode

Be sure the the headset in in 'Pairing' mode.
When in pairing mode, the light should be flashing red and blue or have a steady blue.
The put most headsets in pairing mode, turn headset OFF, then hold the power button until it goes into pairing mode as discribed above.
Then you can discover it with your phone.

Be sure the the headset in in 'Pairing' mode.
When in pairing mode, the light should be flashing red and blue or have a steady blue.
The put most headsets in pairing mode, turn headset OFF, then hold the power button until it goes into pairing mode as discribed above. Then you can discover it with your phone. Pin (pass key) should be 0000 (4 Zeros) or try 1111, 1234, 9999

Yes. To put your headset into pairing mode:
1.) Make sure your headset is off.
2.) Hold the Power Button on until the blue light stays lit (about 8 seconds). This puts it into pairing mode.

Here's how to get the LG HBM-710 Bluetooth headset into pairing mode:

While the headset is OFF, press and HOLD the power button. CONTINUE to do so even after it has powered up. About 3-4 seconds after the startup beeps there will be one more beep. Then, the red light will go solid.

You are now in pairing mode! Hooray!

Go through the necessary 'Add a Device' steps on your cell or whatever and you should be G2G!

Can you pair the voyager with anything?

Are you putting the bluetooth headset into pair mode correctly?

To put the LG HBM-730 into pairing mode you must press the MFB for 5-10 seconds from power off. Pairing mode is denoted by the LED glowing solid red. LG has chosen to stick with the default pairing code of '0000'. Using Bluetooth specification 1.2, as is the custom, the HBM-730 supports both headset and handsfree profiles.
I found this on the internet and hope it works for you

Holding down the multifunction button for eight seconds puts the unit in pairing mode and an LED lets you know the status of the headset. Flashing blue and red means the H4 is in pairing mode, flashing blue means it is paired and flashing red means the H4 needs charging.