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Cisco CallManager Administration Guide
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Chapter 46 Configuring Cisco IP Phones in Cisco CallManager
Configuring Cisco IP Phones
• An LED associated with each of the 26 feature and line buttons to indicate
feature and line status
• A two-line LCD for displaying date and time, calling party name, calling
party number, and digits dialed
• An internal two-way speakerphone with microphone mute
• A transfer feature button
CTI Ports
CTI ports are virtual devices that are used by software-based Cisco CallManager
applications such as Cisco SoftPhone, Cisco AutoAttendant, and
Cisco IP Interactive Voice Response (IVR). CTI ports are configured through the
same Cisco CallManager Administration area as phones, but require fewer
configuration settings.
• For general instructions on how to configure settings for CTI ports, refer to
the “Configuring Cisco IP Phones” section on page 46-5.
• For information on how to configure CTI ports for use with a specific
application, such as Cisco SoftPhone, refer to the documentation and online
help provided with that application.
H.323 Clients
H.323 clients include Microsoft NetMeeting devices and NetVision
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phones. They are configured through the same Cisco CallManager Administration
pages as phones, but require fewer configuration settings.
For instructions on how to configure H.323 clients, refer to the “Configuring
Cisco IP Phones” section on page 46-5.
Configuring Cisco IP Phones
When connecting a Cisco IP Phone to your IP telephony network, you can choose
to allow the phone to auto-register itself with the Cisco CallManager database. By
enabling auto-registration, you can automatically add phones to the database.