Class 1.7 (interworking class) – Telos NX12 User Manual
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calls, etc.
Cause No. 113 – Bearer service unavailable [VN 4 only]
This cause indicates that the bearer service requested is not available or is unimplemented.
Cause No. 114 – End-to-End Information transfer impossible [VN 4 only]
This cause indicates that the requested network does not support the user end-to-end transfer
capability.
CLASS 1.7 (interworking class)
Cause No. 126 – Switch to conversation mode [VN 4 only]
This cause is used to indicate that conversation mode has begun.
Cause No. 127 - SW56 disconnect (Internetworking, unspecified)
This cause indicates that an interworking call (usually a call to SW56 service) has ended. May
also be seen in the case of a non specific rejection by your long distance carrier (try again at a
different rate)