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EFTPOS No Response X0 Using FXS Port

Hi All,

Trying to get an EFTPOS machine working connected into an FXS Port using SCCP/STCAPP Protocol for call control.

The port is registered in CUCM, I can connect an analogue phone to the port and successfully call the Bank's 1800 Number etc, I can make other external calls no problem.

When I try the EFTPOS Machine, the call setup runs through normally and I see the call is then in a connected state. Approx about 10 or seconds later the call is cleared by the local device with an 0x8090 code Normal Clearing. The call is then disconnected and released as per any other call.

The EFTPOS Machine prints a error for "Declined No Response X0"


I have attached the following debugs.

debug isdn q931

debug voip vtsp all

debug vop ccapi inout

debug voip rtp session named-event


Calling Number is 0245604627

Called Number is 1800509183


General environment setup is as follows.

EFTPOS connect to FXS Port -> Registered to CUCM (9.1.2) -> SIP Trunk -> IOS 15.x -> ISDN Pri.


Any feedback i smuch appreciated.



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