All business accounts come with a toll-free telephone number. This telephone number will come included with 1000 minutes and additional minutes at a. rate of 1.5¢ per minute. There will also be a 50¢ surcharge when the caller is a payphone. In order to accept calls beyond the 1000 minutes, the business account must have a pool of funds – therefore, prepaying for the calls. calls to the respective SIP address does not count against the minute allotment.