An advertisement system for displaying advertisements on a video-enabled telephone when the telephone is linked with a non-video enabled telephone andor when the videophone is put on hold. According to one aspect of the subject matter described herein, a method for providing supplementary services to IMS devices and non-IMS devices using common IMS network components is provided. The present invention is applicable to receivingtransmitting a radio frequency signal. The transfer operation is transparent to the content server, so the session between mobile device and content server stays intact.