Protocols.com offers a comprehensive listing of data communications protocols, their functions in respect to the OSI model, the structure of the protocol and various errors and parameters.


TCP / IP      
IP | IPv6 | TCP | UDP | MPLS | others |


H.323 | MGCP | SIP | RTP | Megaco | Skinny | others |

UMTS | GPRS | CDMA | CDMA2000 | GSM | WAP | others |


Frame Relay | ATM | PPP | SS7 | X25 | others |

For a full directory of protocols click here

Register Now!
Protocols.com is a free service for the data communications and telecommunications industry. Register to receive free email updates.
  Technologies Resource Library
Click here to visit our library of technical presentations and white papers about protocols and access password protected areas of the site.