Call awarded and being delivered in an established channel/ Call identity does not exist (1TR6: AT&T ISDN Protocol)
Cause
Cause value 07 indicates that a new incoming call is established and connected on a channel that has previously been connected to the same user for similar call types.
Cause value 07 (1TR6) indicates that a call resume has been attempted for a call with an identity different from any currently suspended calls.
