Follow the steps below on how to adjust the call and ringer volume on the Iridium 9505A handset.

Solution 1: Adjusting call volume during a conversation

Note: Headset & speaker volume can only be adjusted during a call.

1. Establish phone call.
2. While speaking to the person on the call press the "up" and "down" arrow buttons located on the left hand side of the phone to adjust the call volume.
3. The current volume setting becomes the default.

Solution 2: Adjusting ringer volume for incoming calls

Note: This can be done at anytime

1. Press the "up" and "down" arrow buttons located on the left hand side of the phone to adjust the ringer volume.
2. The current volume setting becomes the default.