Patent ID: 8615223

Claim:
A method, comprising: signaling between a first user equipment and a second user equipment information regarding at least two modes of communication that can be used for a communication via a communication link, wherein the signalling of the information regarding the at least two modes of communication comprises signalling an indicator of a first mode that shall be used for the communication, wherein a first communication leg is formed between the first user equipment and a first element of a communications network and a second communication leg is formed between the second user equipment and a second element of the communications network, and wherein the first communication leg and the second communication leg are synchronized in response to said indicator regarding the first mode that shall be used for the communication; signalling between the first user equipment and the second user equipment an indicator regarding changing a mode used for the communication to another mode of the at least two modes to be used for the communication; and initiating in at least one of the user equipment a procedure for changing the mode during the communication in accordance with the indicator, wherein at least one of the first user equipment and the second user equipment communicates with the communications network via a wireless interface.