An apparatus comprising at least one processor, and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured, with the at least one processor, to: in response to a determination of a failure of one or more communication beams between the apparatus and a second apparatus, initiate a beam recovery procedure by transmitting a message to a third apparatus, the message comprising information of the failure of one or more communication beams; start a timer in response to the transmitting a message to the third apparatus; and determine whether a beam failure acknowledgement is received from the third apparatus before the timer expires.