Overview Page 23 of 206
WLAN IP Telephony Installation and Configuration
Employees carry wireless handsets to make and receive calls as they move
throughout the building. The WLAN Handsets 2210/2211 are used only on
the premises; they are not cellular phones. The WLAN Handsets 2210/2211
communicate with the CS 1000 or Meridian 1 system and with the WLAN IP
Telephony Manager 2245. Just like wired telephones, the wireless handsets
receive calls directly, receive transferred calls, transfer calls to other
extensions, and make outside and long-distance calls (subject to corporate
restrictions).
The WLAN Handset 2210/2211 interoperates with other IP Line and IP
Trunk features and devices, such as IP Peer, and the 200x and 2050 series of
IP Phones, with the exception of some media-related constraints described in
“Codecs” on page 55.
The radio frequencies use spread spectrum radio technology, which comes in
two variations:
• Direct Sequence (DS)
• Frequency Hopping (FH)
The WLAN Handsets 2210/2211 use DS spread spectrum radio technology
to optimize bandwidth and minimize jitter on the WLAN. The wireless
handsets are not compatible with FH.
The WLAN Handset 2210 and WLAN Handset 2211 on an 802.11b network
operate at a transmission rate of up to 11 Mb/s in a DSSS (Direct Sequence
Spread Spectrum) system.
Language
The WLAN Handsets 2210/2211 menus and screens display in English only.
ISM parameters
The WLAN Handset 2210/11 appears to the Call Server as a standard IP
Phone 2004. Therefore, each wireless handset requires one IP Line ISM
parameter and is subject to the same feature packaging requirements as the
existing IP Phone 2004.
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