Voice mail is an electronic method of communication. Its key advantages are as below: Voice mail is an effective means communication with those people who are not readily available physically or over telephone. In this system of communication message is automatically recorded in the receiver’s computer or telephone. Therefore, the receiver can hear the recorded message from his computer later on. The message sent through voice mail is automatically recorded in the receiver’s computer. Therefore, the receiver can hear the message at his convenient time. Through voice mail same message can be sent to many receivers only by changing the receiver’s phone number or e-mail address. When voice mail is sent to the receiver’s cell phone, the message is automatically recorded in the receiver’s phone set. Therefore, the sender is confirmed that the receiver has got the message. Voice mail carries oral messages. So the receiver can hear the sender’s message over the phone or computer. Therefore, this system of communication is suitable for illiterate people. Communication through voice mail enjoys a lot of benefits. However, it is not free from limitations. Its major limitations are as next: Lengthy messages can not be sent through voice mail. Due to mechanical faults, noise, sender’s pronunciation problem, receiver’s hearing problem or intolerance. This system is not suitable for sending lengthy message. Voice mail system would not be effective if the receiver and sender do not understand the language of each other. Communication through voice mail is more expensive than those of other mail systems. Therefore, only a few important and personal messages are exchanged through voice mail.