## Guix
guix 6cd33f8
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 6cd33f855c88e63849c96d5df7ca256dd0379f4a

## Versions
- OS: Linux
- GTK Version: 3.24.24
- PyGObject Version: 3.34.0
- GLib Version : 2.62.6
- python-nbxmpp Version: 2.0.2
- Gajim Version: 1.3.2

## Traceback
```
Traceback (most recent call last):
File "/gnu/store/w4svc0x3azr64ik8jhbirapidncn3cbb-gajim-1.3.2/lib/python3.8/site-packages/gajim/chat_control.py", line 719, in _on_call_with_mic
self._on_jingle_button_toggled(['audio'])
File "/gnu/store/w4svc0x3azr64ik8jhbirapidncn3cbb-gajim-1.3.2/lib/python3.8/site-packages/gajim/chat_control.py", line 954, in _on_jingle_button_toggled
sid = con.get_module('Jingle').start_audio(
File "/gnu/store/w4svc0x3azr64ik8jhbirapidncn3cbb-gajim-1.3.2/lib/python3.8/site-packages/gajim/common/modules/jingle.py", line 164, in start_audio
jingle.add_content('voice', JingleAudio(jingle))
File "/gnu/store/w4svc0x3azr64ik8jhbirapidncn3cbb-gajim-1.3.2/lib/python3.8/site-packages/gajim/common/jingle_rtp.py", line 359, in __init__
self.setup_stream()
File "/gnu/store/w4svc0x3azr64ik8jhbirapidncn3cbb-gajim-1.3.2/lib/python3.8/site-packages/gajim/common/jingle_rtp.py", line 374, in setup_stream
JingleRTPContent.setup_stream(self, self._on_src_pad_added)
File "/gnu/store/w4svc0x3azr64ik8jhbirapidncn3cbb-gajim-1.3.2/lib/python3.8/site-packages/gajim/common/jingle_rtp.py", line 116, in setup_stream
self.p2pstream.set_transmitter_ht('nice', params)
gi.repository.GLib.GError: fs-error: Could not create the nicesrc element (1)

```
## Steps to reproduce the problem
...
start a chat -> open options and click 'start Call...' -> click 'With Microphone'