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SpectraLink Wireless Telephone Configuration
PN: 1725-36038-001_B.doc 31
must obtain a unique IP address for each handset from your
network administrator.
Default Gateway and Subnet Mask Used to identify subnets, when
using a complex network, which includes routers. Both of these
must be configured either with an IP address under Static IP (not
set to 000.000.000.000 or 255.255.255.255) or with DHCP for the
handset to contact any network components on a different subnet.
If configured on the DHCP server, use option 3 for the Default
Gateway and option 1 for the Subnet Mask. Contact the network
administrator for the proper settings for the network.
SpectraLink 8020/8030 Wireless Telephones cannot roam with
uninterrupted service between subnets unless specific LAN
components are present. Certain AP/Ethernet switch combinations
establish a Layer-2 tunnel across subnets that enable the handsets
to roam. Without this capability, any call in progress will be dropped
when the user moves out of range and the handset must be power
cycled in order to resume functionality in the new subnet area.
Ensure that all your APs are attached to the same subnet for proper
operation. The handset can change subnets if DHCP is enabled and
the handset is powered off then back on when within range of APs
on the new subnet. Note that the wireless telephones cannot “roam”
across subnets, since they cannot change IP addresses while
operational.
Please see Best Practices for Deploying Enterprise-Grade Wi-Fi
Telephony for detailed configuration information.
TFTP Server IP
The IP address of a TFTP server on your network,
which holds software images for updating the handsets and
contains the handset files. If this feature is configured (not set to
0.0.0.0 or 255.255.255.255) with either Static IP configuration or
using DHCP option 66 (TFTP server), or the boot server/next
server (siaddr) field, the handset will check for newer software
each time it is powered on or comes back into range of your
network. This check takes only a second and ensures that all
handsets in your network are kept up-to-date with the same
version of software.
Syslog Server IP The IP address of the syslog server. See the
Diagnostic Tools section for more information.
Time Server IP The IP address of the time server.