One of the first things you want to do after arriving is getting an Israeli SIM card and phone plan. To compare the different plans, click here.
Most of the providers have an English website on which you can order the plan of your choice. At the end of the process, you will have to go to one of their shops in order to receive your SIM card.
The package will most probably include unlimited calls and text messages (within Israel) and mobile internet (3G cellular connection). 3G works at a high speed in Beer-Sheva, which is very helpful for internationals navigating their way around the city.
You might want to buy an additional package for calling and texting abroad, but keep in mind that this can also be done through apps (Whatsapp, Viber, Skype, etc.). If you do purchase such an international plan, make sure to dial according to the dialing instructions. If you call directly, your calls may cost a fortune.