拨号：
命令：ATD<destination phone number>[;]
返回：
Verbose result codeNumeric code (with ATV0 set)DescriptionOK0Command executed (voice)CONNECT <speed>10,11,12,13,14,15If the call succeeds, for data calls only, <speed> takes the value negotiated by the product.BUSY7If the called party is already in communicationNO ANSWER8If no hang up is detected after a fixed network time-outNO CARRIE3Call setup failed or remote user release.
如：
ATD18005551212;
返回：
OK
Note: Command executed
+WORG:18005551212
Note: Voice call origination sent to Base Station with dial string “18005551212”.
+WCNT: 9
Note: Call Connected, CDMA traffic channel established with service option 9. You can now hear
或
+WEND: 3
Note: Call Attempt failed/ended. Reason 3, signal faded. See section 14.7 Unsolicited commands.
挂断电话：
命令：
ATH
Note : Ask for disconnection
返回：
OK
Note : Every call, if any, are released
