Messages stored in answering machine is played back on the answering machine equipment, cannot be accessed remotely. But voice mail messages can be accessed, listened and managed from anywhere in the world through telephone line. Answering machine is usually suitable for home use for single line, while voice mail system is more suitable for office use where there are multiple telephone connections as well as extensions through EPABX. EPABX Machine A typical voice mail system operation: .
A dials B. B is unable to attend the call. So call from A gets diverted to voice mail box of B. .
Caller A hears a greetings from B welcoming him to mailbox of B and asks A to leave/record his voice message after a beep. . Once caller A speaks to record his voice message for B, he gets option to hear what he has recorded or hang up. Next time whenever B lifts his phone, he gets to hear a message that he has an unheard voice message that can be heard by pressing some key.
. If B is out of town, B can dial his voice mail box number ( a predefined number connected to voice mail system) to check if new voice mail has arrived. Then he can browse through his voice mails, listens them, delete them. E-Mail E-mail (electronic mail) is the exchange of computer-stored messages by telecommunication.
E-mail messages are usually encoded in ASCII text. However, you can also send non-text files, such as graphic images and sound files, as attachments sent in binary streams. E-mail is one of the first uses of the Internet and is still the most popular one. A large percentage of the total traffic over the Internet is e-mail.
E-mail can also be exchanged between online service provider users and in networks other than the Internet, both public and private. Chat Chat is a text-based communication that is live or in real-time. For example, when talking to someone in chat any typed text is received by other participants immediately. Video Conferencing A video conference is a live, visual