参数资料
型号: MTCBA-C1-N2
厂商: Multi-Tech Systems
文件页数: 43/135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
Send Flash to Base Station +WFSH
Description:
Syntax:
This command sends a flash or flash with information to the base station. The flash command is
used to manage call waiting and 3-way calls. For call waiting situations when the 3rd party call is
received, send a flash (AT+WFSH) to toggle between the two different call parties. The +WFSH
unsolicited AT command will be returned if a flash was sent to the base station over the air. Note
that on CDMA networks, this does not guarantee that an actual switch between calls took place,
because there is no acknowledgement to the modem.
For 3-way calls, initiate the first call to party # 1 (see ATD). Then send a flash with information
(AT+WFSH=18005551212) to initiate a call to party # 2; party # 1 will automatically be placed on
hold. The “information” is the phone number of party # 2. Once a conversation with party # 2 is
established, send a regular flash (AT+WFSH) to connect all 3 parties. Send another flash
(AT+WFSH) to disconnect party # 2, or End call (see ATH) to end the call with all parties.
Command syntax: AT+WFSH
AT+WFSH= < phone_number > (for a flash with information)
Unsolicited result syntax: +WFSH (confirms a flash was sent to the base station)
Command
ATD8585551212;
Note: Make a voice call
AT+WFSH
Note: Send a flash to the Base Station (toggle to
Possible Responses
OK
+WORG:8585551212
+WCNT:3 Note: Conversation…
+CCWA:”8582701234”,129
Note: Indication of another incoming call
OK
+WFSH
the second call).
Note: Flash sent to the Base Station. Call to
Note: Conversation with second call.
AT+WFSH
Note: Send a flash to the Base Station (toggle to
the first call).
ATH
Note: Release all calls
the second call. However, this is not 100%
guaranteed because there is no
confirmation from the Base Station.
OK
+WFSH
Note: Flash sent to the Base Station. Call
switches to the first call. However, this is not
100% guaranteed because there is no
confirmation from the Base Station.
OK
+WEND:10
Note: All Calls End
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C)
43
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