Chapter 5 – V.25bis Commands
Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273F) 42
Command: RLF List Request of Forbidden Number
Description: Returns current listing of Forbidden Numbers. Values: n/a
Command: RLI List Identification Number
Description: Dummy Command (just returns VAL)
Command: RLN List Request of Stored Number
Description: Returns dial strings stored in locations 0 – 3. Values: n/a
V.25bis Responses
CFIrr Call Failure Indication (where rr is the equals the following messages)
ab Call not answered
et Engaged tone (same as Busy)
fc Number on forbidden list (Number is blacklisted)
nd No dial tone
ns Number not stored in memory
nt Call answered but no answer tone
rt No answer
DLC Delayed call
INC Incoming call (RING)
VAL A valid V.25bis command has been attempted
INV Invalid
CNXs Connection with s as the speed connected