Symptom:
Webex meeting not try to reconnect after back to foreground

Conditions:
Step to Reproduce:
1.Log in jabber with webex meeting account
2.Put Jabber in background for long time
3.No network and network switch during network change
4.Back to foreground when network recover

Expect Result:
Meeting account reconnected

Actual Result:
Show unknown error and not try to reconnect