Skinny Client Control Protocol: Difference between revisions

Revision as of 16:47, 10 July 2015

Revision as of 05:43, 24 August 2017

Line 3:

The '''Skinny Client Control Protocol''' ('''SCCP''') is a proprietary network terminal control protocol originally developed by [[Selsius Systems]], which was acquired by [[Cisco Systems]] in 1998.

SCCP is a lightweight IP-based protocol for session signaling with Cisco Unified Communications Manager, formerly named ''CallManager''.<ref>{{cite [web|url=http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/8_5_1/ccmsys/a08procl.pdf |title=Understanding IP Telephony Protocols] |publisher=}}</ref><ref>[{{cite web|url=http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_tech_note09186a0080624977.shtml |title=Call statesStates sentSent to SCCP endpointsEndpoints by Cisco CallManager]|website=Cisco}}</ref> Examples of SCCP clients include the Cisco 7900 series of IP phones, Cisco IP Communicator softphone and the [[802.11b]] wireless Wireless IP Phone 7920, along with Cisco Unity voicemail server. CallManager acts as a signaling proxy for call events initiated over other common protocols such as [[H.323]], [[Session Initiation Protocol]] (SIP), [[ISDN]] and/or [[Media Gateway Control Protocol|MGCP]].

==Protocol components==

Line 11:

==Origin==

Cisco acquired SCCP technology when it acquired Selsius Corporation in 1998.<ref>[{{cite web|archiveurl=http://web.archive.org/web/20051109224815/http://newsroom.cisco.com/dlls/fspnisapi6d14.html|title=News @ Cisco: Cisco Systems acquisitionto ofAcquire Selsius Systems, (archiveInc.org)] for $145 Million|archivedate=9 November 2005|publisher=|url=http://newsroom.cisco.com/dlls/fspnisapi6d14.html}}</ref> For this reason the protocol is also referred to in Cisco documentation as the Selsius Skinny Station Protocol. Another remnant of the origin of the Cisco IP phones is the default device name format for registered Cisco phones with CallManager. It is ''SEP'', as in ''Selsius Ethernet Phone'', followed by the [[MAC address]]. Cisco also has marketed a Skinny-based softphone called Cisco IP Communicator.

==Other implementations==

Other companies, such as [[Symbol Technologies]], SocketIP, and [[Digium]], have implemented the protocol in VoIP terminals and IP phones, [[media gateway controller]]s, and [[softswitch]]es. An open source implementation is available in the [[Asterisk (PBX)|Asterisk]] and [[FreeSWITCH]] systems.<ref>{{cite web|url=http://wiki.freeswitch.org/wiki/Mod_skinny|title=mod_skinny - FreeSWITCH - Confluence|website=wiki.freeswitch.org}}</ref> IPBlue provides a [[soft phone]] that emulates a Cisco 7960 telephone.<ref>http://www.ipblue.com/ IPBlue</ref> Twinlights Software distributes a soft phone implementation for [[Android (operating system)|Android]]-based devices.<ref>http://www.twinlightssoftware.com/ Twinlights Software</ref> The Cisco Unified Application Environment, the product acquired by Cisco when they purchased [[Metreos]] supports using SCCP to emulate Cisco 7960 phones allowing applications to access all Cisco line-side features.

==See also==