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Technical Bulletin CS-05-08 

The information provided in the SpectraLink technical bulletin is provided "as is" without warranty of any kind.  No obligation or liability will 
arise out of, SpectraLink rendering technical or other advice or service in connection herewith.                                                          Z-0030-00 

TECHNICAL BULLETIN CS-05-08 

Notification Date: 

12/30/05 

Originator:

 Charles 

Doyle

 

Effective Date: 

3/28/06 

Approvers

: Wayne 

McAllister 

         

 

 

 

 

Mitch 

Silver 

Systems Affected: 

SW Versions = All 

 

HW Revisions = PTB8xx 

 

Contact: 

Jim Stampfle

 Status: 

Approved

 

Access Level: 

General

 Revision: 

B

 

Problem: 

Cisco added a feature to assist clients with roaming by sending an adjacent AP list after they associate.  
The NetLink PTB800/810 phone will not acknowledge the adjacent AP packet after it exceeds 250 bytes

.

 

Description: 

Cisco access points running version 12.2 (11)JA software or higher will send a packet with a list of 
adjacent access points to each client after it associates.  This packet is intended to assist some clients in 
fast roaming.  The SpectraLink phone does not use this packet in the decision process for roaming and 
will discard the packet when it is received.  If the Cisco access point sends the SpectraLink phone an 
“adjacent AP” packet that exceeds 250 bytes the phone will not acknowledge the packet which will lead 
to the access point de-authenticating the phone. 

Resolution: 

Customers using PTB800/810 phones need to use a Cisco access point software below 12.2 (11)JA to 
assure this incompatibility does not occur. 

 

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