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Multi-Tech Systems MT5600BA-V92 User Manual

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Chapter 5 – V.25bis Commands 
Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273G) 
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