A method for facilitating a data session in an initiation protocol (SIP) environment is provided that includes receiving a solicitation for participation in a SIP communication session that involves a first endpoint and a second endpoint. The method also includes identifying an identity trait associated...http://www.google.co.uk/patents/US7656878?utm_source=gb-gplus-sharePatent US7656878 - System and method for providing enhanced caller ID in a session initiation protocol (SIP) environment
