Ermm, analog GSM works in that way, if you want immediate dialing you will need digital GSM but those are very expensive. OXE already sent the dialing progress and if you check the trunk it will be as B so who may need to send back a fake ringback will the GSM box...
Ignorance is not the problem, the problem is the one that doesn't want to learn
OTUC ACFE/ACSE R3.0/4.0/5.0/6.0
Genesys CIV 7.X & Developer