CallManager is a Cisco product. It is formally referred to as Cisco CallManager (note capitalization), or CCM for short. Cisco Systems, Inc. ... CCM can stand for several things: Cerebral cavernous malformations, a genetic brain disorder Cisco CallManager Contemporary Christian music The CORBA Component Model, a portion of the CORBA standard for software componentry The Chama Cha Mapinduzi political party of Tanzania CCM Motorcycles, a UK motorcycle manufacturer Change and Configuration Management Continuous...

CallManager tracks all active VoIP network components; these include phones, gateways, conference bridges, transcoding resources, voiceboxes and others. The software keeps track of every phone's status, is the master-end of the SCCP, passing commands to the MGCP controlled devices. IP Telephony, also called Internet telephony, is the technology that makes it possible to have a telephone conversation over the Internet or a dedicated Internet Protocol (IP) network instead of dedicated voice transmission lines. ... Skinny Client Control Protocol, a VoIP terminal control protocol defined by Cisco Systems, Inc. ... In computing, Media Gateway Control Protocol (MGCP) is a protocol used within a Voice over IP system. ...

CCM evaluates called numbers and activates gateway events to receive or send calls to the PSTN. The public switched telephone network (PSTN) is the concatenation of the worlds public circuit-switched telephone networks, in much the same way that the Internet is the concatenation of the worlds public IP-based packet-switched networks. ...

The Cisco CallManager is installed on the Cisco Media Convergence Server (MCS). Typically, multiple (up to eight) MCS are clustered for distributed call processing and fault tolerance. MCS may be: a C# compiler running on Mono an abbreviation for Multiple chemical sensitivity the US Navy hull classification symbol for Mine Countermeasures Support Ship Mellon College of Science, a school at Carnegie Mellon University This is a disambiguation page — a navigational aid which lists other pages that might...

The latest version to be released (2004) is Cisco CallManager 4.1. It includes various enhancements such as handling of multiple calls (up to 200) on a single line presence. Additionally, some of the new features of CCM 4.0 include greatly enhanced conference calling features, enhanced Client Matter Code (CMC) and Forced Account Code (FAC), Multilevel Precedence and Preemption (MLPP) and Malicious Call Identification (MCID). CallManager 4.1 also enhances the encryption capabilities first introduced in CallManager 4.0. When using Cisco Phones 7940/7960/7970 or 7971 it is now possible to encrypt signalling as well as voice traffic itself. 2004 is a leap year starting on Thursday of the Gregorian calendar. ...