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#1 Old Doubt - 2005-10-21, 18:07

Join Date: Jul 2004
Posts: 33
jigneshshah
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Hi,
I am using L2CAP protocol for communication on Nokia 6600 device.
I am able to send and receive data.
However, I am not clear about what PSM(Protocol and Service Multiplexor) mean in L2CAP?
What is function of PSMs?
Is is a port number where I will bind my L2CAP socket?

On Bluetooth.org I show following values of PSMs.
SDP 0x0001
RFCOMM 0x0003
TCS-BIN 0x0005
TCS-BIN-CORDLESS 0x0007
BNEP 0x000F
HID_Control 0x0011
HID_Interrupt 0x0013
UPnP 0x0015
AVCTP 0x0017
AVDTP 0x0019
UDI_C-Plane 0x001D

Only these are valid values of PSM.
Kindly help me clarify on PSMs.

Regards,
-Jignesh Shah.
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