bcs->proto2 = L2_HDLC;
                        break;
                case 1:
-                       bcs->proto2 = L2_BITSYNC;
+                       bcs->proto2 = L2_VOICE;
                        break;
                default:
                        dev_warn(cs->dev,
                            "B1 Protocol %u unsupported, using Transparent\n",
                                 cmsg->B1protocol);
-                       bcs->proto2 = L2_BITSYNC;
+                       bcs->proto2 = L2_VOICE;
                }
                if (cmsg->B2protocol != 1)
                        dev_warn(cs->dev,
                                bcs->proto2 = L2_HDLC;
                                break;
                        case 1:
-                               bcs->proto2 = L2_BITSYNC;
+                               bcs->proto2 = L2_VOICE;
                                break;
                        default:
                                dev_warn(cs->dev,
                        "B1 Protocol %u unsupported, using Transparent\n",
                                         cmsg->B1protocol);
-                               bcs->proto2 = L2_BITSYNC;
+                               bcs->proto2 = L2_VOICE;
                        }
                        if (cmsg->B2protocol != 1)
                                dev_warn(cs->dev,