Iphone 4s pairs but cannot hear music with jabra bt125

SOURCE: Unable to set pairing between jabra bt 125 and bluetooth device

You simply need to hold the button down for a long time, it will flicker blue at first, don't let go of the button, and it'll turn blue for pairing.

SOURCE: JABRA BT250V Hearing Problem

Cannot get my Jabra BT 250v to work with my Blackberry Curve 8310. Phone indicates I am paired, but there is no audio through earpiece. You can still hear audio through phone. Help.

SOURCE: How to pair my Jabra BT125...

Instructions for the Jabra BT125 Bluetooth

For people who are having problems pairing their cell phone with their Jabra BR125 Bluetooth, here are a few simple steps:

First, make sure that the Jabra BT is off (the light should be off). If it's on, hold the flashing button until it goes off.

Second, turn your Jabra BT on. Continue holding your Jabra button (EVEN AFTER IT STARTS FLASHING). Hold onto it UNTIL YOU GET A SOLID LIGHT.

Third, as soon as you get a solid light try pairing up with your cell phone.

Fourth add your Jabra to your cell phone's Bluetooth list by having it search for the Jabra.

Fifth, the cell will ask for a passcode. The default passcode is 0000.

SOURCE: jabra bt125 broken ear hook

You can buy a 5 pack for 6.99 here:
http://www.shop.jabra.com/jabra/Shop?Dsp=30007&PCR=1:401&actn=addkeycodetocart&keycode=5JABRAST400

SOURCE: Jabra BT125 headset not connecting to Samsung F480

you have to switch the bluetooth headset to pairing mode not just swithcing it on. Hold the power on button continuously even after it switches on then the light will remain on. Then you switch on the bluetooth in the mobile and start searching for bluetooth devices. You will find your bluetooth headset in the mobile. Select it and pair. Usual code will be 0000, but it might differ check with the manual which can be found online too. This will definitely solve your problem.