Is there any way to delay sending the Progress Ind after the call has connected. I have a VoIP service from ISDN Switch to ISDN switch but need to delay sending the progress ind so that billing can be delayed by say 20 seconds.Thanks

I am having problems connecting some calls through ISDN Switches.The Setup I have is as follows:ISDN SWITCH ----> ETSI-----> Cisco 3640 ---- > IP -----> AS5300 ---->ETSI -----> ISDN PBXI get some calls from ISDN PBX with Bearer Capability of 0x9090A3...