I normally go back to the end user configuration page and do a Device Association of the end user to the phone, but this is not a requirement for SIP third party phone registration. The end user only ...

This lesson introduces and describes the role, architecture, hardware and software requirements, and the licensing model of the CUCM. Cisco Unified Communications (UC) is an IP-based communications ...

Office phones have come a long way in a relatively short time. With the introduction of Internet Protocol phones, new features make those devices more akin to computers than simple phone systems.