1) Call the first person.
2) Touch 「Add call」
![](http://tct-open-document.s3.ap-northeast-1.amazonaws.com/image/Tablets/南宫ng·28+TAB+10S/image11.png)
3) When you get through to the second or the third person (depending on how many calls you want to merge), you can touch 「Merge calls」
![](http://tct-open-document.s3.ap-northeast-1.amazonaws.com/image/Tablets/南宫ng·28+TAB+10S/image12.png)
* Three way calling requires network/SIM card support, please contact your SIM operator to make sure you have the three way calling service.