Make call using a specified SIM in a Dual SIM Device

Question

I have been searching for this from past few days and I came to know that:

\"Dual SIM is not supported in Android out of the box. It is a custom modification by manu

Answer 1

TelecomManager telecomManager = (TelecomManager) this.getSystemService(Context.TELECOM_SERVICE);
List    phoneAccountHandleList = telecomManager.getCallCapablePhoneAccounts();


 Intent intent = new Intent(Intent.ACTION_CALL).setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setData(Uri.parse("tel:" + number));
        intent.putExtra("com.android.phone.force.slot", true);
        intent.putExtra("Cdma_Supp", true);
        if (simselected== 0) {   //0 for sim1
            for (String s : simSlotName)
                intent.putExtra(s, 0); //0 or 1 according to sim.......

            if (phoneAccountHandleList != null && phoneAccountHandleList.size() > 0)
                intent.putExtra("android.telecom.extra.PHONE_ACCOUNT_HANDLE", phoneAccountHandleList.get(0));

        } else {      1 for sim2
            for (String s : simSlotName)
                intent.putExtra(s, 1); //0 or 1 according to sim.......

            if (phoneAccountHandleList != null && phoneAccountHandleList.size() > 1)
                intent.putExtra("android.telecom.extra.PHONE_ACCOUNT_HANDLE", phoneAccountHandleList.get(1));

        }
        startActivity(intent);