<!-- If you want to submit a feature request, please remove the template. -->
### Expected behavior

### Actual behavior

### Steps to reproduce the behavior
1.
2.
3.

### Environment
- **JSXC version:** 
- **Host system and version:** <!-- e.g. Nextcloud -->
- **Browser vendor and version:** 
- **Any browser plugins enabled?** 
- **XMPP server vendor and version:** 
- **Is your XMPP server working with other clients as expected?** 

### Logs
#### Javascript
<!-- Do you see any errors in your javascript console (ctrl+shift+I)? -->
```
```

#### JSXC
<!-- Which messages appear in your javascript console if you enable debugging? -->
<!-- How to enable debugging: https://github.com/jsxc/jsxc/wiki/Debugging -->
```
```

#### XMPP
<!-- Do you have any related entries in your XMPP server log? -->
```
```

#### Host
<!-- Do you have any related entries in your host system log? -->
```
```
