10 a etc as shown in fig2 referring now to fig1 and 3 iams 24 initiates communication with unidentified consumer 10 a to obtain information in the collect call implementation described above iams 24 contacts the intended recipient of the collect call unidentified consumer 10 b although in other implementations unidentified consumers 10 a and 10 b may be the same entity in collect call cases or other implementations where one consumer wishes to charge another consumer with purchases of products or services unidentified consumers 10 a and 10 b are different entities whether unidentified consumers 10 a and 10 b are the same entity iams 24 in response to purchase request in one of the above described manners initiates communication with unidentified consumer 10 a or 10 b using any one combination of the available channels e g land telephone line cellular telephone voip ethernet wireless communication satellite communication or any other communication channel which are known to those skilled in the art that transmits an identifier associated with the origin of the communication iams 24 detects an identifier associated with the communication channel e g land telephone line number cellular telephone number ip address etc in addition iams 24 requests a small amount of data numbers or characters from unidentified consumer 10 a or 10 b this information exchange is shown with reference numerals 26 a and 28 a associated with unidentified consumer 10 a or 26 b and 28 b associated with unidentified consumer 10 b in one embodiment the data required is no more than 11 digits e g last four digits.