There are many different types of small businesses and there is certainly no one size fits ll phone system solution. Warehouses for example may require a loud speaker which sounds whenever the phone rings. Others may require the phone to be able to be easily diverted to a mobile during lunch or night time. One thing common to most small businesses is a desire to keep costs down. Fortunately all major phone system brands have entry level systems which are quite affordable and yet still offer the ability to be expanded if a particular feature is required at a later date.