364 Matrix ETERNITY NE System Manual
• For the option, Pre PSTN Digit Count (PPDC),  select  0. 
• Click Submit to save.
• Similarly, click the tab of the CO trunks you want to assign PPDC count from 1 to 6 (i.e. trunks connected 
to the extensions of another PBX, and assign the appropriate PPDC count to the trunk. This would depend 
on the number digits in the Trunk Access Code defined for the trunks in the other PBX. If the TAC is single 
digit, select '1'. If TAC is double or triple digit, select '2' or '3' as applicable as the PPDC.
• Click Submit at the bottom of the page to save your settings.
• To log off, click Logout.