in Swift/KVSiOSApp/WebRTCClient.swift [141:147]
func set(remoteSdp: RTCSessionDescription, clientId: String, completion: @escaping (Error?) -> Void) {
peerConnection.setRemoteDescription(remoteSdp, completionHandler: completion)
if remoteSdp.type == RTCSdpType.answer {
print("Received answer for client ID: \(clientId)")
updatePeerConnectionAndHandleIceCandidates(clientId: clientId)
}
}