Huawei EM770W At Command Interface Specification page 15

4.2 Answer Call A ................................................................................................................................. 52
4.2.1 Command Syntax .................................................................................................................. 52
4.2.2 Description............................................................................................................................. 52
4.3 Hangup call +CHUP ....................................................................................................................... 53
4.3.1 Command Syntax .................................................................................................................. 53
4.3.2 Description............................................................................................................................. 53
4.4 Incoming Call RING ....................................................................................................................... 53
4.4.1 Command Syntax .................................................................................................................. 53
4.4.2 Description............................................................................................................................. 53
4.5 Calling line identification presentation +CLIP................................................................................. 53
4.5.1 Command Syntax .................................................................................................................. 53
4.5.2 Description............................................................................................................................. 53
4.5.3 Defined Values ...................................................................................................................... 54
4.6 Unsolicited report of CLIP +CLIP ................................................................................................... 54
4.6.1 Command Syntax .................................................................................................................. 54
4.6.2 Description............................................................................................................................. 54
4.6.3 Defined Values ...................................................................................................................... 54
4.6.4 Example................................................................................................................................. 54
4.7 List current calls +CLCC ................................................................................................................ 55
4.7.1 Command Syntax .................................................................................................................. 55
4.7.2 Description............................................................................................................................. 55
4.7.3 Defined Values ...................................................................................................................... 55
4.8 Auto Answer % AUTOANSWER .................................................................................................... 56
4.8.1 Command Syntax .................................................................................................................. 56
4.8.2 Description............................................................................................................................. 56
4.8.3 Defined Values ...................................................................................................................... 56
5 SMS Interface Description ...........................................................................................57
5.1 Select the SMS type +CSMS ......................................................................................................... 57
5.1.1 Command Syntax .................................................................................................................. 57
5.1.2 Description............................................................................................................................. 57
5.1.3 Defined Values ...................................................................................................................... 57
5.2 Set message format +CMGF ......................................................................................................... 58
5.2.1 Command Syntax .................................................................................................................. 58
5.2.2 Description............................................................................................................................. 58
5.2.3 Defined Values ...................................................................................................................... 58
5.3 Message arrival indication +CMTI.................................................................................................. 58
5.3.1 Command Syntax .................................................................................................................. 58
5.3.2 Description............................................................................................................................. 58
5.3.3 Defined Values ...................................................................................................................... 59
5.4 Indication of new message reported directly +CMT....................................................................... 59
5.4.1 Command Syntax .................................................................................................................. 59
Issue 18 (2009-06-22) Commercial in Confidence
HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Page 11 of 169