Telephone

Phones are a necessity if you need friends. In The Sims 2 they're white-ish tan and can be either table phones or wall phones. In University, you can have cell phones. Pets and FreeTime each add a new style of phones. In FreeTime, 3-way calling is introduced as a benefit for popularity aspiration Sims.

You can talk to Sims on the phone. You can invite Sims over to your house. You can call a taxi. You can also ask people on a date and have outings (Nightlife). Throw parties, apply for scholarships, hire Services, start a Business, buy real estate, book a vacation, etc.

The cell phones (NOYIN 2680) can be bought for §149 from a Sellafone Gadget vending machine, once bought the phone stays in a Sim's inventory and can be used by left-clicking the Sim. The phone can also be put anywhere in the Sim's home.

If your Sim is Grouchy, he or she can crank call on the phone. The Sim who you will call (unless the Sim your Sim is calling at work or in bed) will answer the phone and your Sim will talk real fast to him or her. Sometimes, the Sim you called will come over, but will sometimes not get mad.

In The Sims 3 all Sims have a cellphone in their inventory. the known info about the cellphones used in The Sims 3 says they can be used to talk to friends, call a taxi and make plans. You can also change your ringtone.