LUCI LIVE LITE does not include OPUS, use G722 instead for interoperability.  It allows the use of a microphone connected to the lightning or USB-C port on iOS devices.

 Connect from iPhone to ipDTL or SIP device using sip.audio

1. Open the LUCI app and select the Settings gear icon.
2. Select ‘SIP defaults’. Add the following settings.
   Username: SIP Account Username (For example, enter fmstation.luci1 for fmstation.luci1@sip.audio)
   Password: SIP Account Password
   Sip server: proxy.sip.audio
3. Remove any pre-configured port number.
4. Press ‘Done’.
5. Select ‘Stations’. Press the + icon.
6. Select ‘Custom station’.
7. Create a Station for each required destination with the following settings:
   Protocol: SIP
   Destination: destination.account
   Username: Enable Default User
   Codec: G722
8. Remove any pre-configured port number.
9. Press ‘Done’.
10. On the main screen, choose your desired Station to connect with. Click the microphone symbol to initiate a call.