WLAN Handsets 2210/2211 configuration Page 101 of 206
WLAN IP Telephony Installation and Configuration
DNS
Domain Name System (DNS), an industry-standard protocol, locates
computers on an IP-based network. IP networks rely on number-based
addresses to move information on the network. However, it is easier to
remember names than number-based addresses. DNS translates user-friendly
names into IP addresses that the network can recognize. The wireless
handsets can use DNS to automatically translate names into IP addresses for
the TFTP Server and the WLAN IP Telephony Manager 2245.
Feature programming
The WLAN Handsets 2210/2211 emulate the IP Phone 2004. All IP Phone
2004 functions and messaging features are supported where possible.
Functions that require use of the volume keys and the Speakerphone function
are not supported.
The large screen area of the IP Phone 2004 and its numerous keys are mapped
onto the smaller screen and fewer buttons of the wireless handsets. The button
mapping from the IP Phone 2004 to the WLAN Handsets 2210/2211 was
designed to preserve nearly all of the functionality of the IP Phone 2004
within a small, mobile device.
Feature and key assignment
The line keys, numbered 1, 2, 3, 4, 5, and 6, to the left and right of the display
screen of the IP Phone 2004 (see Figure 10 on page 103) are mapped to the
LINE button on the WLAN Handsets 2210/2211 (see Figure 11 on
page 104).
The IP Phone 2004 has several fixed feature keys. The WLAN Handsets
2210/2211 support the six features that are suitable to a mobile user through
the Function (FCN) key on the wireless handset. When FCN is pressed, a
screen that lists the features and the assigned keys displays. Press FCN again
to display a second screen that lists more features and their assigned keys.
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