System information

The “chargecode” string in the message will be replaced with a valid code if found.
You can introduce delays by inserting ‘#’ characters in the message.
The action parameter can be
-0: used to send USSD messages
The message parameter must have the following format “AT+CUSD=command” where command is the ussd string.
Example: DTMF,0,simid,"AT+CUSD=1,*121*chargecode#"
-1: will send the specified message to the engine. The message can be any valid AT command
-2: will dial the specified telnum, and then send the message as DTMF.
If the message string if empty, than only will dial the requested telnum, hold a little and then drop.
Example: DTMF,2,simid,"",172
-3: reserved for future usage
-4: will send the specified message as SMS to telnum
4.6.2. Gateways
Used to configure your Mizu VoIP-GSM gateways.
The fields are the same as listed in section 4.3.1
4.6.3. Engines
Listing of gsm channels. The fields are self explanatory.
4.6.4. GSM Channels
Skip this if you are not using VoIP-GSM gateways.
Usually this is the most frequently used form by the technical support. You can see the status of each gsm channel on your gateway(s).