Spectralink h340 User Manual download pdf (Page 21)

SpectraLink Corporation Configuration and Administration—NetLink e340/h340/i640 Wireless Telephone

with SIP

PN: 72-1089-02-D.doc Page 21

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 and/or

the NetLink Telephony Gateway. 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.

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 accept broadcast ESSID, or if there are

overlapping wireless systems in use at the site, enter the correct ESSID manually.

Security

*NONE

disables any 802.11 encryption or security authentication mechanisms.



For WEP, WPA-PSK and WPA2-PSK set each of the following options to

match exactly the settings in the APs.



Encryption codes display as they are entered. For security reasons codes will

not display when a user returns to the Admin menu, Encryption options.

WEP (Wired Equivalent Privacy) is a wireless encryption protocol that encrypts data

frames on the wireless medium allowing for greater security in the wireless network.

If WEP is required at this site, you must configure each handset to correspond with

the encryption protocol set up in the APs. Select the entries from the options below

to enable the handset to acquire the system.

Authentication Select either Open System or Shared Key.

WEP On/Off Select either WEP Off or WEP On.

Key Information

Default Key Enter the key number specified for use by the handsets. This

will be 1 through 4.

Key Length Select either 40-bit or 128-bit depending on the key length

specified for use at this location.

Key 1 through 4 Scroll to the key option that corresponds to the Default Key

that was entered above. Enter the encryption key as a sequence of

hexadecimal characters. (Use the 2 and 3 keys to access hexadecimal digits A-

F, use the Right Arrow key to advance to the next digit, and the Left Arrow

key to backspace.) For 40-bit keys, enter 10 digits. For 128-bit keys, enter 26

digits. The display will scroll as needed.

Rotation Secret This is used for proprietary WEP key rotation. Refer to your

custom document if this feature is supported in your system.

Cisco FSR (Fast Secure Roaming) In order to provide the highest level of security

without compromising voice quality on Cisco Aironet wireless LAN APs,

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Spectralink h340 User Manual Page 21

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