It's no good having a really good web presence or slick advertising campaign if callers are treated to Greensleeves played on a stylophone with a badly recorded voice telling them how "valuable" their call is. With the telephone still being one of the most important points of customer contact a modern, flexible onhold service is a necessity.
Onhold is an important part of the marketing mix and provides the link between the external image and the actual customer experience. If a business wants to project a good image then it needs to achieve this across all communication channels, including the telephone.