C H A P T E R40-1Cisco CallManager System GuideOL-7135-0140Cisco IP PhonesCisco IP Phones as full-featured telephones can plug directly into your IPnetwork. H.323 clients, CTI ports, and Cisco IP Communicator comprisesoftware-based devices that you configure similarly to the Cisco IP Phones.Cisco CallManager Administration allows you to configure phone features suchas call forwarding and call waiting for your phone devices. You can also createphone button templates to assign a common button configuration to a largenumber of phones.After you have added the phones, you can associate users with them. Byassociating a user with a phone, you give that user control over that device.This section covers the following topics:• Supported Cisco IP Phones, page 40-2• H.323 Clients and CTI Ports, page 40-10• Cisco IP Communicator, page 40-11• Phone Button Templates, page 40-11• Softkey Templates, page 40-19• Softkey Template Operation, page 40-23• Methods for Adding Phones, page 40-24• Directory Numbers, page 40-25• Phone Features, page 40-33• Phone Association, page 40-40• Phone Administration Tips, page 40-40