D-3
Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
Appendix D Specifications for the Cisco IP Phone Models 7905G and 7912G
Environmental Specifications
Environmental Specifications
Physical Interfaces
Software Specifications
Table D-3
Cisco IP Phone models 7905G and 7912G Environmental
Specifications
Description
Specification
Operating temperature
41 to 104
°
F (5 to 40
°
C)
Storage temperature
–4 to 140
°
F (–20 to 65
°
C)
Relative humidity
10 to 90% noncondensing, operating, and
nonoperating/storage
Table D-4
Cisco IP Phone models 7905G and 7912G Physical Interfaces
Description
Specification
Ethernet
RJ-45 8-wire connector, IEEE 802.3
10BASE-T standard
Power
48-VDC power connector
Table D-5
Cisco IP Phone models 7905G and 7912G Software Specifications
Description
Specification
Voice-over-IP (VoIP) protocols
SIP (RFC 2543)
Voice coder-decoders (codecs)
G.729, G.729A, G.729AB
G.711 A-law
G.711 u-law
Содержание Unified 7905G
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