Method and system for handling a multi-media call setup request
AssigneeTelefonaktiebolaget LM Ericsson (publ)
InventorsJan C. G. Hultkrantz, Jan Lidin
Life of this patent
Estimating the term…
Abstract
A service node in a telecommunication network is arranged to receive a Multi-Media video call setup for a terminal to be called. The called terminal is called by the service node according to either a video or a voice call setup, depending on a current allowed answer mode of the called terminal. Responding to the call setup will, depending on either answering or rejecting the call setup by the called terminal, and depending whether the call setup is for a voice or a video call, be handled by the service node according to a predetermined method. When a call setup is answered by the called terminal, the service node further supports a method of toggling between a video call and a voice call at the called terminal.
Claims14
A method implemented by a media control entity for handling multimedia call setup in a telecommunication system, wherein the system includes a first terminal, a second terminal, and a media switching entity that is under control of the media control entity, wherein the first and second terminals are capable of performing multimedia calls comprising a plurality of media types, the method comprising:
- receiving a setup request for a multimedia call initialized by the first terminal,
- selecting from a database maintained by the media control entity information that indicates for which of the media types a call setup to the second terminal is allowed,
- initializing setup of a subsequent call to the second terminal that is of one or more media types indicated as allowed by the selected information,
- receiving a response to setup of the subsequent call, the response having been initialized by the second terminal, and
- instructing the media switching entity to switch the multimedia call to either the subsequent call, a video source under control of the second terminal, or a mailbox associated with the second terminal, depending on the received response and the one or more media types indicated as allowed by the selected information.
A media control entity configured to handle setup of a multimedia call between a first terminal and a second terminal in a telecommunication network, wherein the media control entity is configured to control a media switching entity communicatively connected to the first and second terminals, wherein the first and second terminals are capable of performing multimedia calls comprising a plurality of media types, wherein the media control entity comprises:
- a selecting unit configured to select from a database unit information that indicates for which one or more media types a call setup to the second terminal is allowed, and
- a processing unit configured to:
- initialize setup of a subsequent call to the second terminal that is of one or more media types indicated by the selected information,
- receive a response to setup of the subsequent call, the response having been initialized by the second terminal, and
- instruct the media switching entity to switch the multimedia call to either the subsequent call, a video source under control of the second terminal, or a mailbox associated with the second terminal, depending on the received response and one or more media types indicated as allowed by the selected information.
A terminal device configured for multimedia calls in a telecommunication network, wherein the terminal device comprises electronic circuitry that is configured, responsive to user activation of a predetermined key on the device, to:
- signal, as Dual Tone Multi Frequency signaling or IP signaling, a media control entity in the network to perform a rejection or release of a connection of a first media type between the media control entity and the terminal device;
- and
- initialize a call set up of a second media type for said connection to the terminal device, wherein the first and the second media types are different from one another.
Dependencies are inferred from the claim text.