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Chapter 1 Product Overview
What is the Cisco SIP IP Phone 7960?
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Cisco SIP IP Phone 7960 Administrator Guide
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Direct number dialing—Allows users to initiate or receive a call using a
standard E.164 number format in a local, national, or international
format.
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Direct URL dialing—Provides the ability to place a call using an email
address instead of a phone number.
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Caller ID blocking—Allows the user to instruct the system to block their
phone number or email address from phones that have caller
identification capabilities.
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Anonymous call blocking—Allows the user to instruct the system to
block any calls for which the identification is blocked.
Note
For information on how to use the standard telephony
features and URL dialing, refer to the Getting Started
Cisco IP Phone 7960 and Quick Reference Cisco IP
Phone 7960 documents that shipped with the phone.
Supported Protocols
The Cisco SIP IP phone supports the following standard protocols:
•
Domain Name System (DNS)
DNS is used in the Internet for translating names of network nodes into
addresses. SIP uses DNS to resolve the host names of end points to IP
addresses.
•
Dynamic Host Control Protocol (DHCP)
DHCP is used to dynamically allocate and assign IP addresses. DHCP allows
you to move network devices from one subnet to another without
administrative attention. If using DHCP, you can connect Cisco SIP IP phones
to the network and become operational without having to manually assign an
IP address and additional network parameters.
The Cisco SIP IP phone complies with the DHCP specifications documented
in RFC 2131. By default, Cisco SIP IP phones are DHCP-enabled.