Creating Addresses for Contact Persons 
Prerequisites
You require
authorization for the transaction SOCP.The corresponding company address must be maintained.
Procedure
You branch to the search screen of the address management.
.Under Communication, you can maintain the other communication methods (for example, pager numbers, other telephone or fax numbers, other Internet addresses, X.400 addresses and Remote Mail addresses for R/3-R/3 connections).
As the standard communication method, specify the communication method by which the contact person should normally be contacted.