Multi-Tech Systems GPRS (MTMMC-G) ユーザーズマニュアル

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Chapter 13 – Specific AT Commands  
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 
136 
 
Hang-up   +WATH 
Description: 
This command disconnects the remote user, specifying a release cause and the location. In the case of 
multiple calls, all calls are released (active, on-hold and waiting calls). 
Values: <RelCause>: 
 
decimal value from 1 to 127 
See table “Failure Cause from GSM 04.08 recommendation.”  
<location>: 
optional parameter (default value =0) 
values as defined in 04.08 
0  
user 
1   
private network serving the local user 
2   
public network serving the local user 
3  
transit network 
4   
public network serving the remote user 
5   
private network serving the remote user  
7  
international network 
10 
network beyond interworking point 
Note: 
In order to have a “Normal Release”, use the ATH command. 
Syntax: 
Command Syntax:  AT+WATH=<RelCause>,<location> 
Command 
Possible responses 
AT+WATH=31 
Note: Ask for disconnection with release 
cause=normal and location=USER 
OK 
Note: All calls, if any, are released 
AT+WATH=? +WATH: 
(1-127),(0-5,7,10) 
AT+WATH=17,2 
Note: Ask for disconnection with release 
cause=user busy and location= public network 
serving the local user 
OK 
Note: All calls, if any, are released