Degraded call quality

If when calling towards the destination number there is no issue, it is possible that there is an issue on our side. We will do our upmost best to solve it together with you. To do this as efficient as possible please send an email to our support e-mail containing the following information:

Company name
Contact person
Service numbers involved
Description of the issue
Call examples (3 recent calls)
Caller number
Called number
Destination number
Date and time of the calls
Additional information
What difference do you notice between calling the service number or calling directly to the destination number?
When the audio quality is the issue, who is impacted more? The caller or the receiver?
Have there been changes in your telephony setup or supplier?
With this information we will try to help you as quick as possible.