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Cisco ASA Series CLI Configuration Guide
Chapter 1 Configuring the Cisco Phone Proxy
Information About the Cisco Phone Proxy
Note As an alternative to authenticating remote IP phones through the TLS handshake, you can configure
authentication via LSC provisioning. With LSC provisioning you create a password for each remote IP
phone user and each user enters the password on the remote IP phones to retrieve the LSC.
Because using LSC provisioning to authenticate remote IP phones requires the IP phones first register
in nonsecure mode, Cisco recommends LSC provisioning be done inside the corporate network before
giving the IP phones to end-users. Otherwise, having the IP phones register in nonsecure mode requires
the Administrator to open the nonsecure signaling port for SIP and SCCP on the ASA.
See “Example 5: LSC Provisioning in Mixed-mode Cisco UCM cluster; Cisco UCM and TFTP Server
on Publisher, page 1-50“. See also the Cisco Unified Communications Manager Security Guide for
information on Using the Certificate Authority Proxy Function (CAPF) to install a locally significant
certificate (LSC).
Supported Cisco UCM and IP Phones for the Phone Proxy
Cisco Unified Communications Manager
The following release of the Cisco Unified Communications Manager are supported with the phone
proxy:
• Cisco Unified CallManager Version 4.x
• Cisco Unified CallManager Version 5.0
• Cisco Unified CallManager Version 5.1
• Cisco Unified Communications Manager 6.1
• Cisco Unified Communications Manager 7.0
Cisco Unified IP Phones
The phone proxy supports these IP phone features:
• Enterprise features like conference calls on remote phones connected through the phone proxy
• XML services
The following IP phones in the Cisco Unified IP Phones 7900 Series are supported with the phone proxy:
• Cisco Unified IP Phone 7975
• Cisco Unified IP Phone 7971
• Cisco Unified IP Phone 7970
• Cisco Unified IP Phone 7965
• Cisco Unified IP Phone 7962
• Cisco Unified IP Phone 7961
• Cisco Unified IP Phone 7961G-GE
• Cisco Unified IP Phone 7960 (SCCP protocol support only)
• Cisco Unified IP Phone 7945
• Cisco Unified IP Phone 7942
• Cisco Unified IP Phone 7941
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