Specifications
   AT command set for XX Siemens mobile phones and modems 
__________________________________________________________________________________________ 
 Document No.: A30880-A10-A001-XX-
D376 
 Revision: Master R75 
    Revision Date:  29. September.2004 
 67 
<destination port range
> 
See Test command 
<source port range
> 
See Test command 
<ipsec security parameter index (spi)
> 
See Test command 
<type of service (tos) (ipv4) and mask / 
traffic class (ipv6) and mask> 
See Test command 
<flow label (ipv6)
> 
See Test command 
2.3.7  Commands related to mobile equipment errors 
AT+CMEE
AT+CMEE  Expanded error messages according to 3GPP TS 27.007 
Test command  Response:  
AT+CMEE=? 
+CMEE: (list of supported <n
>s) 
Parameter:  
<n
> 
    0  Suppresses the expanded error format 
    1  Expanded error messages as number 
    2  Expanded error messages as text 
Read command  Response: 
AT+CMEE? 
+CMEE: <n
> 
Parameter: 
<n
> 
See Read command 
Write command  Response:  
AT+CMEE=<n> 
OK/ERROR/+CME ERROR 
Parameter: 
<n
> 
 Description:  
For detailed information on the values possible for +CME ERROR see section 
5.1. 
+CMS errors have been defined for SMS; for detailed information on the 
values possible for +CMS ERROR see section 5.2. 
2.3.8  TIA IS-101 commands (“Voice control interim standard for asynchronous DCE”) 
This section provides the descriptions of other AT commands. 
AT+VTD
AT+VTD  Set duration of a DTMF tone 
Test command  Response:  
AT+VTD=? 
<duration
> 
OK/ERROR/+CME ERROR 
Parameter:  
<duration
> 
Duration of tone (in tenths of seconds) 
1 .. 255
Read command  Response:  
AT+VTD? 
<duration
> 
OK/ERROR/+CME ERROR 
Write command 
AT+VTD=<duration> 










