Hi there !
In Q-SIG you can apply the Callback between A-Site to B-Site and you must arranged to numbering plan.
Here I enclosed the parameter to initiate Q-SIG.
Parameter for Q-sig.
ROCAI:ROU=XX,SEL=011000000000,TRM=6,SERV=21100000000,TRAF=03151515,SIG=51111
0100031,BCAP=111111;
RODAI:ROU=XX,VARC=00000350,VARI=15400000,VARO=06B00000,TYPE=SL60;
RODDI

EST=XXXX,ADC=060610000000025000;put the adc in when u assign
destination.
For the remote side..
ROCAI:ROU=XX,SEL=011000000000,TRM=6,SERV=21100000000,TRAF=03151515,SIG=51111
0100031,BCAP=111111;
RODAI:ROU=XX,VARC=00000350,VARI=15400000,VARO=06800000,TYPE=SL60;
hiescham's
Technical Support