Chapter 3: AT Commands Reference
December 31, 2007 AT Commands Reference Manual 3-375
The diagram below demonstrates the communication between the SIM, the G24 and the TE
regarding a DTMF command during an active voice call.
Figure 3-15: Communication During DTMF Command
Launch Browser
This is a proactive command that requests a browser inside a browser-enabled user terminal to
interpret the content corresponding to a URL. It is forwarded to the TE using an unsolicited event
mechanism.
The TE answers this unsolicited response using the +MTKP command. For the general result,
"launch browser generic error code", the G24 must provide additional information.
Command Type Syntax Response/Action Remarks
Unsolicited
Response
+MTKP=26,<URL>,<bear
ers>,<p
roxy_Id>[,<alpha_id>]
Command Type Syntax Response/Action Remarks
AT+MTKP=26,<Re
sult>[<additional
info>]
OK
or:
+CME ERROR: <err>
SIM ME TE
Send DTMF
DTMF Sent
AT+MTKP=24,0
Send DTMF
Unable to process
+MTKP: 24,0
AT+MTKP?
+MTKP: 24,1
AT+MTKP?
+MTKP: 24,”<alpha id>”
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