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Cisco 7970G
Polycom SoundPoint IP 550
Cisco 7975G
Grandstream GXP-2000
Cisco 7940G
Cisco 7970G IP Phone
Polycom SoundPoint IP 550 IP Phone
Cisco 7975G IP Phone
Grandstream GXP-2000 IP Phone
Cisco 7940G IP Phone
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Release Date
Sep 2009
Jun 2008
Oct 2007
Jun 2006
Dec 2005
Type
IP Phone
IP Phone
IP Phone
IP Phone
IP Phone
Average Rating
 3.0 stars
 4.3 stars
 3.7 stars
 4.0 stars
 3.7 stars