The 'PLgLdk300.dll' caters for a pin code. The pin code is placed under the 'ACCOUNT CODE' column. For exmaples of the rawdata see the forum post.
Which plugin do I use for the LG LDK300 IP?The pin code you used to dail out '2290' is not displayed in the rawdata. It shows 'P0100'.
In TNG under 'Configure Users' remove '2290' and then add '0100'. Make a test call and check if the user name is now displayed. If so, you need to get the position codes for your pin codes from the PABX vendor who setup the codes. Add the position codes with the relevant user names.