A client and a method in a client in a communication network comprising a core network, for providing a communication service, is provided. The method comprises receiving a session setup request from an originating party, requesting a session with a destination party. The setup request comprises a capability indication associated with the originating party and a session type indication. The method further comprises determining capabilities of devices in a first communication context associated with the destination party and comparing the capabilities of the devices in the first communication context to the capability indication and to the session type indication in the received request Still further, the method comprises determining a level of correspondence between the capability indication and the session type indication, and the capabilities of devices in the first communication context, and indicating a device in the first communication context having a suitable level of correspondence to the capability indication associated with the originating party and the session type indication.