Specifications

Chapter 9 – Supplementary Service Commands
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 115
Example
^SYSSTART
at+cpin=”9999”
OK
+CREG: 2
+CREG: 1,”0145”,”0016” The mobile is now registered.
at+ccwa=1,1,1 You activate the indication of waiting calls during voice calls.
OK
atd”1234567”; You make a voice call.
OK
+CCWA: “[phone]”,145,32,,0 You receive a URC indicating a waiting data call.
at+chld=2 You put the voice call on hold.
CONNECT 9600/RLP The data connection is set up.
hello
+++ With “+++” you go in command mode.
OK
at+clcc You interrogate the status of all established calls.
+CLCC: 1,0,1,0,0,”03038639268”,129
+CLCC: 2,1,0,1,0,”[phone]”,145
OK
at+chld=1 The active data call is terminated and the held voice call becomes
active.
OK
at+clcc
+CLCC: 1,0,0,0,0,”03038639268”,129
OK