HUAWEI UMTS M2M Module V100R001
AT Command Interface Specification
Issue 18 (2009-06-22)
Commercial in Confidence
Page 52 of 169
4
Call control commands and methods
4.1 Originate Call D
4.1.1 Command Syntax
Command
Possible response(s)
D[digits][I/i][;] <CR><LF>OK<CR><LF>
4.1.2 Description
This command used to originate a call which may be a voice call or
4.1.3 Defined Values
<digits>: The dial string. ASCII characters includes ‘0’-‘9’,’*’,’#’,’+’.’+’only can be the
first character of the dial string. The length of the dial string cannot bigger than 24.
[I/i]
4.2 Answer Call A
4.2.1 Command Syntax
Command
Possible response(s)
A <CR><LF>OK<CR><LF>
4.2.2 Description
TE use this command to notify MS a new call is coming. It still works if there is a third
call.
Summary of Contents for EM770W
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