Cisco IP Phone 7912G Specification Guide
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A volume-control toggle provides easy decibel-level adjustments of the handset and ringer.
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The handset is hearing-aid compatible (meets American Disabilities Act [ADA] requirements).
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A single-position foot stand provides optimum display viewing and comfortable use of buttons and keys. The foot stand can be removed to
allow wall mounting via mounting holes located on the base of the phone.
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XML Applications can be delivered to the display.
CALLING FEATURES
The Cisco IP Phone 7912G is designed to grow with system capabilities. Features will keep pace with new changes via software updates to the phone
Flash memory. Examples of currently available features include:
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Support of a single line or directory number
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Calling name and number display
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Call waiting
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Call forward
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Call transfer
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Support of Extension Mobility
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Three-way calling (conference)
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On-hook dialing, predialing, and off-hook dialing
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Redial
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Call hold
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Call monitor (speaker only, no microphone)
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“Messages” soft key that allows access to voicemail messages
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Four speed dials configurable at the Cisco CallManager
NETWORK FEATURES
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Cisco Discovery Protocol
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Automatic IEEE 802.1Q (voice virtual LAN [VVLAN]) configuration
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IEEE 802.1Q /p VLAN tagging and traffic prioritization
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802.1Q VLAN-based switching of traffic between the phone and access switch
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Differentiated Services Code Point (DSCP) tagging
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G.711a, G.711u, and G.729ab audiocompression coders-decoders (codecs)
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Integrated Ethernet switch
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10/100BASE-T Ethernet connection through an RJ-45 interface for LAN connectivity
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Software upgrade supported using a Trivial File Transfer Protocol (TFTP) server
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Provisioning of network parameters through Dynamic Host Configuration Protocol (DHCP)
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Voice activity detection, silence suppression, comfort-noise generation, and error concealment
PROTOCOLS SUPPORTED
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Compatible with Cisco CallManager Version 3.3(2) and later, using the Skinny Client Control Protocol (SCCP) protocol
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SIP (RFC 2543)
PHYSICAL SPECIFICATIONS
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Dimensions (H x W x D): 6.5 x 7 x 6 in. (20.3 x 17.67 x 15.2 cm)
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Weight: 1.9 lb (0.9 kg)