Another method is to place a logged-in badge next to some music that is safe for work. Then place an "Urgent Call" to that badge & listen as you move around the area. This will help you discover whether the issue occurs when you are moving around specific areas of a unit, a floor or when your badge moves from one access point to another access point.

A Broadcast/Urgent Broadcast/Instant Conference/Panic will typically require a stronger wireless signal than a regular/urgent voice call so note whether your issues are regular/urgent voice calls, broadcasts or both. This information will show in the logs but it's helpful to see what a badge does in the 'real world' of your Site.