Even though the 8961 phone is not yet supported on the UC520, support for the 9971 phones on the UC520, UC540, and UC560 is planned, and the answer to that question can be found in the FAQs at the link below: https://www.myciscocommunity.com/thread/6942
Learn, share, save
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.