Cisco 7921G Unified Wireless IP Phone
Cisco 7921G is a wireless IP phone bases on the Wi-Fi (ETSI; CCM/CCME UL Reqd;Battery/PS Not Included) data transfer technology.
This model of the phone presents itself as a convenient in use wireless IP phone with IEEE 802.11a/b/g support, which ensures complete voice communication in compatibility with Cisco Unified CallManager and Cisco Aeronet Wi-FI (IEEE 802.11 a/b/g) access points. This phone has color TFT display with 176x220 pixel resolution and a built in speaker phone.
Technical characteristics:
2inch color LCD display with 176x220 pixel resolution
Network standards: IEEE 802.11a, IEEE 802.11b on IEEE 802.11g on 2,4Ghz or 5Ghz frequency
2 programmable soft keys providing access to applications and additional features of the phone
Supported Audio Codec: G.711a, G.711u, G.729a, G.729ab, G.722
Support for XML applications
Battery: 100 hours waiting mode or 12 hours talking mode.
Protocols: DHCP, TFTP, DNS
AC adapter and power block are not included with this phone
Introduction
When shopping for the perfect PBX system, you are most likely considering IP PBX over bulky and expensive antique methods. However, the pricing schemes are both confusing and concerning, as you are unsure what you are looking at when trying to price different services out. Luckily enough, the biggest business telephone systems vendors use plans to determine prices, and these plans can be easily compared to competitors.
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