What is SCCP?

SCCP stands for Skinny Client Control Protocol . It is a lightweight , proprietary control and communication protocol originally developed by Selsius Systems and later taken over by Cisco Systems.It is a lightweight IP-Based protocol for Signalling with CUCM and CME for Cisco phones session signalling.

Key Features:

• It communicates on TCP 2000.
• It is a very light weight protocol with very simplified message structure.
• It is used with CUCM or CME.
• It requires provisioning devices and MAC address.
• SCCP supported phones are more on automatic mode compared to SIP supported phones.
• SCCP is used for communication between Cisco VoIP phones and Cisco Call Manager.
• SCCP uses UDP as the transport medium for its media path, because it is very good for real time traffic like VOIP traffic.

Related – SIP vs SCCP