//...
      //Payload is received from the websockets server
      const {data} = payload;

      if (data.sdp) {
        await peerConnection.setRemoteDescription(data.sdp);

        if (data.sdp.type === 'offer') {
          const answer = await peerConnection.createAnswer();
          await peerConnection.setLocalDescription(answer);

          const answerPayload = {
            sdp: answer,
            chat: chatId,
          };

          chat.signaling(answerPayload, chatId);
        }
      } else if (data.ice) {
        await peerConnection.addIceCandidate(data.ice);
      }
      //...




      //When the user presses on the call button
      if (isCaller) {
        const offer = await peerConnection.createOffer();
        await peerConnection.setLocalDescription(offer);

        const payload = {
          sdp: offer,
          chat: chatId,
        };
        //Send the payload to the server
      }