1 create abbreviated number:
ASBLCK : <TREE>,<NUMBER>,<TRFC>,<NUMBER-LENGTH>,<RESULT-ID>;
asblck:0,XXX,0,3,23;
repeat for tree 1&2
2 assign real number
CHABNR : <ABBR-NUMBER>,<EXP-NUMBER>,<TRFC>;
chabnr:XXX,0YYY,0;
XXX = abbreviated number to dial from any extension
0YYY = real number with TAC
BR