Default [Q] Wechat Call

Dear Team,

i am unable to get any notiifcaiton on the video call on wechat on my Lumia 820.

when i call from Lumia 820 to Samsung S3, S3 gets the incoming call notification on wechat.

i dont get any notification.

please help me how to resolve the same.

Thank you
regards

Aniruddha S.SAwant