Business circumstances vary and a variety of restrictions may play their part in dictating just how much technical support you can handle internally.
Because of this you need to make sure that an AV conferencing provider is able to deal quickly, efficiently and clearly with any issues as they arise.
Support for business users can often differ depending on the package you pick, so there are deals that might be more comprehensively backed up by technical services than others.
If you are in need of a comprehensive support infrastructure, make sure that your AV conferencing provider is able to supply this. Otherwise you could be faced with technical issues and downtime.
At the end of the day you need to appreciate that AV conferencing providers will effectively be working for your business, which puts you in a position of power and allows you the freedom to choose whichever solution seems the most appropriate.
This may involve a long decision-making process before you commit to one particular package, but your hard work will be worth it in the long run.