Patent ID: 6625476
Filing Date: 2003-09-23
Classification: H04M

Abstract:
In a portable radio device operable in a radio communication system to communicate with a remote station, the radio device having radio circuitry housed at radio housing, an improvement for user interface apparatus for facilitating use of the portable radio device by the user, said user interface apparatus comprising:a user actuator connectable to the radio device to form a portion thereof, said user actuator separably carriable by the user along with carriage of the radio housing and the radio circuitry housed thereat, said user actuator actuable by the user upon application of an actuation force thereon, actuation of said user actuator selectably for effectuating a selected communication session by way of the portable radio device wherein the radio device comprises a mobile station operable in a radiotelephonic communication system and wherein actuation of said user actuator for selectably effectuating the selected communication session initiates a call originated at the mobile station; wherein the selected communication session which actuation of said user actuator selectable effectuates comprises a second communication session when an ongoing communication session is effectuated by way of the mobile station; and wherein the radiotelephonic communication system comprises a cellular communication system and wherein the user of the mobile station subscribes to a service subscription pursuant to which communications by way of the mobile station are permitted, the service subscription providing a three-way calling service, the three-way calling service permitting the second communication session to be effectuated while the ongoing communication session is also effectuated.