You can set up voicemail on your Android phone directly from the phone's keypad or its Voicemail app if it features one.

You can conference call on Android by calling each participant separately and merging the calls together. Here's how.

ZDNET's key takeaways Use these codes to forward calls, pay your bill, check balances, etc.Some of the codes work only on certain carriers or devices.One of the codes also might erase your data, so ...