Error 16026
Product: Programmable Voice
ERROR - 16026
Participant label is in use by another participant
The participant label specified in an API call to create a voice conference participant is already in use by another active participant in the same conference.
Possible Causes
- The specified label was already used in another API call to add a participant to the conference.
- The specified label was already used in twiml (Dial Conference) to add an inbound participant to the conference
Possible Solutions
Use a label value which uniquely identifies this participant within the conference.