List of VoIP protocols

1. Voice over IP offers digital phone calls over the Internet.

VoIP technology used control protocols send session, receive and complete calls. These protocols, transmissions for various formats such as for example telephone phone convert to telephone, e-Mail, computer, telephone, fax, e-Mail. Because the transfer of messages involved each protocol, the connection control vary from two endpoints provide navigation on the telephony gateway, the network carries voice packets.

Simple Gateway Control Protocol

Simple Gateway Control Protocol controls the external calls telephony gateway.

This portal provides the conversion for audio on the caller and recipient mobile phones. CAMS consists of five commands: create the connection, a request for notification and notify change connection, delete the connection,. These commands into the phone, the numbering sequence, and each control has a compelling answer is initiated by the appellant.

Multipurpose Internet Mail Extensions

Multipurpose Internet Mail Extensions change the format of the messages, the needs of SMS messages in not ASCII character sets.

Each letter ASCII, assigns a number from 0 to 127. Given that the VoIP sends various formats such as voice mail, reformat MIME standards, structure and clarity. MIME's five standards of numbers and letters, each correlate identified a specific structure. For example, RFC 2045, which is the first standard header fields calculated, including the type of content.

The session description protocol is a tool for directory for

Multimedia conferences used to VoIP. SDP programmes addresses Conference Announces Conference, contains specific information necessary for the participation of the Utilisateurtion. News will be announced on the Protocol meeting announcement. Session announcement consists of name and destination, time, multimedia format and URLs.