Assign 4 digits extention tda200 1

[inlsp05]

Hi i need assign 4 diguts extention in tda200 but not accepted with pbx and ask just 3 diguts extentuion number tda200 ver 5.2

PG4E

 

[kizo]

Set ( for example)31 XX, 32 XX ,33 XX, 34 XX...... 41 XX, 42 xx, 43 XX, 44 XX.......
You have more than 50 locations to seting numbering plan

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