Table of Contents

Clock Management +CCLK

31

Ring Melody Playback +CRMP

31

Ringer Sound Level +CRSL

32

Subscriber Number +CNUM

32

Select Type of Address +CSTA

32

View Modem Timers +WTMR

33

Modem Serial Number +WMSN

33

Chapter 5 - Call Control Commands

34

Dial Command D

34

Hang-Up Command H

35

Answer a Call A

36

Remote Disconnection

36

Extended Error Report +CEER

36

DTMF Signals +VTD, +VTS

37

DTMF START and STOP Continuous +WSDT, +WSDS

37

Redial Last Telephone Number DL

38

Automatic Dialing with DTR %Dn

38

Automatic Answer S0

38

Incoming Call Bearer +CICB

39

Single Numbering Scheme +CSNS

39

Microphone Gain +VGT

40

Volume Gain Control +VGR

40

Microphone Mute Control +CMUT

41

Speaker & Microphone Selection +SPEAKER

41

Echo Cancellation +ECHO

42

Side Tone Modification +SIDET

42

Initialize Voice Parameters +VIP

43

TTY Mode +WTTY

43

Chapter 6 - Network Service Commands

44

Signal Quality +CSQ

44

Mode Preference +COPS

44

Band Preference +WBND

45

Roam Preference +WRMP

46

Network Registration & Roaming +CREG

47

Change NAM Selection +WNAM

48

Read Current NAM +WCNM

48

Emergency Mode +WSOS

49

Extended Roam Indication +WRMW

50

Chapter 7 - SIM Card Operational Commands

51

Enter PIN +CPIN

51

Enter PIN2 +CPIN2

52

PIN Remaining Attempt Number +CPINC

52

Facility Lock +CLCK

53

Change Password +CPWD

54

Card Identification +CCID

54

Chapter 8 - Short Messages Commands

55

Parameters Definition

55

Select Message Service +CSMS

56

New Message Acknowledgement +CNMA

56

Preferred Message Storage +CPMS

57

Show Text Mode Parameters +CSDH

57

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C

4

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Multi-Tech Systems CDMA Wireless Modem manual Call Control Commands