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• The audio is too low. Can you turn it up on the PBX end?

  No. The PBX audio is set at line level. This means that raising it any higher will introduce distortion to the audio. You will need to find another method of amplifying the audio signal before it reaches the Vattendance PBX. Suggestion: Purchase a Behringer MX400 and place between your Mixer and PBX. This will provide you with complete volume control. In New Zealand you can find it [here](https://www.rubbermonkey.co.nz/Music-Audio/Recording/Mixers/Compact-Portable-mixers/Behringer-MicromixSome readers

• Audio is distorted

  Audio can be distorted for four reasons: Not enough internet bandwidth to handle VoIP calls Poor quality internet router unable to handle workload Problem with the audio mixer or the 3.5mm audio cable connecting the mixer to the PBX A physical fault with the audio port on the PBX To troubleshoot, please answer the following questions in order: Do the recordings sound clear but live meetings sound terrible? This indicates that the issue is number 1 or 2, or possibly both. PlSome readers

• We dial in and get the welcome prompt but there is no sound?

  Please ensure the following: Verify that you are using the correct audio input on the back of the PBX Confirm that the PBX is transmitting audio correctly Verify that audio is being transmitted correctly from your mixer to the PBX 1 - Identify the correct audio input Looking at the back of the PBX you will see four 3.5mm audio ports in a square formation. The ports you need to use are: Top Right: This is the input which takes audio from your mixer so that callers canSome readers