I have an Android tablet without telephony capabilities. I can put in a SIM card. When somebody calls my SIM card number (mobile number), can I receive this call? What application do I need?
No, you usually can't receive calls with an tablet which doesn't provide this functionality. The SIM card slot is only for mobile data communication and there is no way that you just download an App which enables GSM phone functionality (AFAIK).
You can use VoIP though.
Assuming you have a Huawei MediaPad as mentioned in your other/duplicate thread. Then the Huawei's own website states in the FAQ section:
Can I make phone calls using MediaPad?
Android 3.2 (Honeycomb) does not provide a function to make calls, but you can download and install applications from Hispace to make phone calls. Note:
- As determined by operators' rate plans, most systems do not support voice calls even with calling applications installed. With the universal MediaPad version, calling is supported.
- Calling is not a default function of Android 3.2 (Honeycomb). Downloading and installing applications are users' personal behaviors.
- Internet telephony is supported.
- Android 4.0 (Ice Cream Sandwich) supports all calling functions.
You could try Tablet Talk. It's a paid app that seems to do what you want.