Post implementation support: cost, communication and response time

There is a wide array of offers for the post-implementation process. It is important to verify the details of each one of them. Both publishers and consulting firms offer on going support and training and the plans go from a maintenance plan paid yearly to charges by call or by case; there are also charges by the hour as well as purchase of blocks of consulting time. The most important things to check for this are the response time as well as the quality of the service. Talking to references from current users can bring a good feeling on this topic.