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SpectraLink 8002 Wireless Telephones Configuration and Administration (SIP)
30 PN: 1725-36034-001_C.doc
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 friendly names than number-based addresses,
so it is necessary to translate user-friendly names into addresses
that the network can recognize. The handset will use DNS to
automatically translate names into IP addresses for the TFTP server.
In DHCP mode, the SIP handset will use DNS to look up an address
for the logical name “siptftp” to locate the SIP TFTP file server. If this
logical name is undefined, then the address specified by option 66 is
used for the SIP TFTP server.
ESSID
Select the option that will enable the handset to acquire APs with the
correct ESSID (Extended Service Set ID, aka SSID) each time it is
turned on.
Note about Automatic Learn options: Broadcast ESSID must be
enabled in the APs for ESSID learning to function when multiple
ESSIDs can be seen by the handset from one location. Overlapping
wireless systems complicate the use of ESSID learning as the handset
in an overlapping area could receive conflicting signals. If this is the
situation at your site, use Static Entry or Learn Once in an area
without overlapping ESSIDs.
*Learn Once Allows the handset to scan all ESSIDs for a DHCP server.
Once either is found, the handset retains the ESSID from whichever
AP it associates with at that point. When overlapping wireless
systems exist, the Learn Once feature allows the handset to use only
the ESSID established at first learn at all subsequent power ons. This
ESSID is retained by the handset until the ESSID option is reselected
in the Admin menu, thus erasing the stored ESSID.
Learn Always Allows the handset to automatically learn the ESSID
at each power on or loss of contact with the wireless LAN (out of
range). This may be useful if the handset will be used at more than
one site.
Static Entry If the APs do not broadcast their ESSID, or if there are
overlapping wireless systems in use at the site, enter the ESSID
manually.