Stop zoiper from ringing on mobile phone

Question

I have  Samsung mobile and want to use Zoiper for out going calls only and i use my home phone for incoming calls and out going as well , have set Zoiper to use this voip provider ,but when a call is coming in my mobile rings , i read some where there was or still is a setting to stop this from happening 

many thanks

Comments

Not sure if I understand correctly. What exactly you would like to do? Have Zoiper prevent incoming calls to your GSM? Or stop incoming calls to Zoiper?