参数资料
型号: MTCBA-C1-N2
厂商: Multi-Tech Systems
文件页数: 33/135页
文件大小: 0K
描述: MODEM CDMA RS232 DUAL
标准包装: 10
系列: MultiModem® Cell
功能: 收发器,CDMA,调制解调器
调制或协议: CDMA2000
频率: 800MHz,1.9GHz
应用: Sprint 网络(USA)
接口: RS-232
数据传输率 - 最大: 153.6 kbps
电源电压: 9 V ~ 32 V
其它名称: 881-1147
Chapter 9 – Call Control Commands
Chapter 9 – Call Control
Commands
Dial Command D
Description:
The ATD command is used to originate a voice or data call.
For a data call , the application sends the following ASCII string to the product:
ATD<nb> where <nb> is the destination phone number.
Note: ATD<nb> is followed by PPP session startup and negotiation. Standard PPP packets are
HDLC formatted. A packet data call is terminated by de-assertion of the DTR signal to the
modem. See the AT&D command.
For a voice call , the application sends the following ASCII string to the product:
ATD<nb>; where <nb> is the dialing string or destination phone number, followed by a
semicolon “ ; ”. The dialing string may contain characters “0-9”,”#”,”*” only. Note that some
countries may have specific numbering rules for their CDMA handset numbering.
If a call, voice or data, is already in progress, initiating a dial will return an ERROR.
The dial sequence is responsible for handling emergency calls. It is the host application's
responsibility to tear down a data call if an outgoing emergency call has been initiated.
The response to the ATD command is one of the following:
Verbose
Result Code
OK
ERROR
CONNECT
<speed>
Numeric Code
(with ATV0 set)
0
10,11,12,13,14,1
5
Description
Command executed (voice)
Call already in progress
If the call succeeds, for data calls only, <speed> takes
the value negotiated by the product
BUSY 7
NO ANSWER 8
NO CARRIER 3
NO DIALTONE 6
Direct Dial Syntax: Command syntax: ATD<nb>[;]
If the called party is already in communication
If no hang up is detected after a fixed network time-out
Call setup failed or remote user release
Voice call with missing “;”
Command
ATD18005551212;
Note: Attempt a
voice call.
ATD5551212;
Note: Example of
a failed voice call
attempt.
Possible Responses
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 audio of the calling party’s phone ringing.
However, this event does not mean the other calling party has answered.
OK
Note : Command executed
+WORG:5551212
Note : Voice call origination sent to Base Station with dialing string
“5551212”.
+WEND: 3
Note : Call Attempt failed/ended. Reason 22, signal faded.
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
33
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