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ThinkMo EDU Share – network 83.Detailed explanation of SCCP

蒂娜 No Comments 05/12/2023

ThinkMo EDU Share – network 83.Detailed explanation of SCCP

Skinny Client Control Protocol (SCCP) is a proprietary protocol developed by Cisco Systems that is used to manage and control Cisco IP phones. SCCP is a Layer 3 protocol that operates at the transport layer of the OSI model. It is designed to provide a standardized interface for communication between IP phones and call control servers.

SCCP works by establishing a connection between an IP phone and a call control server, such as a Cisco Unified Communications Manager. This connection is used to exchange signaling messages between the IP phone and the server. SCCP supports a wide range of call control features, including call setup and tear down, call transfer, conference calling, and call forwarding.

SCCP also supports advanced features such as call queuing, music on hold, and caller ID. These features allow organizations to provide a more professional and efficient phone system for their employees and customers.

One of the key benefits of SCCP is its ability to provide a high level of security for voice communications. SCCP uses strong encryption algorithms to protect the privacy of voice conversations. Additionally, SCCP supports authentication and access control mechanisms to prevent unauthorized access to the phone system.

SCCP is also designed to be highly scalable. It can be used in large networks with thousands of IP phones and call control servers. SCCP allows organizations to easily add or remove IP phones from the network without disrupting existing calls or services.

However, SCCP is a proprietary protocol and is only supported on Cisco IP phones and call control servers. This means that it cannot be used with phones or servers from other vendors. Additionally, SCCP adds overhead to the network, which can reduce network performance.

In 2000, Cisco announced that it would be phasing out SCCP in favor of the industry-standard Session Initiation Protocol (SIP). SIP is an open standard protocol that is supported by a wide range of networking equipment vendors. While SCCP is still widely used in legacy Cisco IP phone systems, new installations typically use SIP.

In conclusion, Skinny Client Control Protocol (SCCP) is a proprietary protocol developed by Cisco Systems that is used to manage and control Cisco IP phones. SCCP provides a standardized interface for communication between IP phones and call control servers and supports a wide range of call control features. While SCCP has been widely used in the past, it has been largely replaced by the industry-standard Session Initiation Protocol (SIP).

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