fixed--解决ssrc默认开启失败的问题，解决信令超时设备下线的bug

chenjialing

2022-06-17 39a5c8e2cf18cab6469bc0204d2b3c4d7e9e2935

 src/main/java/com/genersoft/iot/vmp/gb28181/bean/SubscribeInfo.java

@@ -25,6 +25,9 @@
        this.callId = callIdHeader.getCallId();
    }

    public SubscribeInfo() {
    }

    private String id;
    private int expires;
    private String callId;