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