Communication Communication is a pivotal tool used every day in your chamber to foster and maintain successful and efficient relationships. While ChamberMaster offers ability to communicate via fax and print letters/labels, more and more, we rely on electronic communication - email. This section contains information on the following concepts: Sending communication Add attachment Insert graphics View and record communication history Documents and templates Using groups and mailing lists eReferral Storing documents Using Constant Contact with ChamberMaster And moreā¦