Hi,
Thanks for visiting our forum. Our forum forces on basic troubleshooting for Lync/Skype for Business server and client, we are not familiar with coding and development.
Based on your description, this problem seems related to API development, I suggest you may post the question in MSDN or stack overflow forum.
https://stackoverflow.com/questions/tagged/skype-for-business
I noticed that you have posted
a same thread in MSDN forum, hope you may get more helpful replies there.
Thanks for your understanding.
Best Regards,
Shaw Lu
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