Does not answer properly when in a ring group

[Michael_Yealink]

Dear Customer,

This is Michael from Yealink Technical Support Team, nice to work for you.

For this issue, do you mean the scenario below :

1. Phone in ring group
2. Call comes in , phone can ring
3. Pickup the handset of the phone , call will not answered, press answer key or OK key , also can't answer the call .
4. Direct call working fine, V82 working fine

Please point out if nay misunderstanding and let me know below information :
1. Which Model and exact firmware you test ?
2. How many phones you have in total , all have this issue ?
3. This issue happened every time or some times, if not every time, what is the rate ? 5 in 10 calls ?

At last but import, please provide the pcap file , bin file and level 6 log file of V82 and V83, then upload it and I will double check , for how to get them ,please refer to below link :

http://support.yealink.com/faq/faqInfo?id=707

Thanks and looking forward to your reply ASAP.

BR
Michael