MTCMR-G-F4 Multi-Tech Systems, MTCMR-G-F4 Datasheet - Page 87
![no-image](/images/no-image-200.jpg)
MTCMR-G-F4
Manufacturer Part Number
MTCMR-G-F4
Description
MODEM GPRS QUAD BAND GSM GLOBAL
Manufacturer
Multi-Tech Systems
Series
MultiModem® iCellr
Datasheets
1.MTCMR-G-F4-NAM.pdf
(2 pages)
2.MTCMR-G-F4.pdf
(8 pages)
3.MTCMR-G-F4.pdf
(28 pages)
4.MTCMR-G-F4.pdf
(203 pages)
Specifications of MTCMR-G-F4
Frequency
850MHz, 900MHz, 1.8GHz, 1.9GHz
Applications
General Purpose
Interface
RS-232, USB
Function
Transceiver, Modem
Data Rate - Maximum
115.2kbps
Modulation Or Protocol
GSM, GPRS
Voltage - Supply
9 V ~ 32 V
Package / Case
Module with Case
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Power - Output
-
Sensitivity
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
881-1151
MTCMR-G-F4
MTCMR-G-F4
- MTCMR-G-F4-NAM PDF datasheet
- MTCMR-G-F4 PDF datasheet #2
- MTCMR-G-F4 PDF datasheet #3
- MTCMR-G-F4 PDF datasheet #4
- Current page: 87 of 203
- Download datasheet (884Kb)
Call Related Supplementary Services +CHLD
Multi-Tech Systems, Inc. GPRS AT Commands Reference Guide (Document Number S000293J)
Description:
Values:
Syntax:
This command manages call hold and multiparty conversation (conference call). Calls can be put on
hold, recovered, released or added to a conversation.
<n>
Command syntax: AT+CHLD=< n >
Command
AT+CHLD=<n>
AT+CHLD=?
0
1
1x Release a specific call X (active, held or waiting)
2
2x Place all active calls on hold except call X with which communication is supported.
3
4
Release all held calls or set User Determined User Busy (UDUB) for a waiting call.
Release all active calls (if any exist) and accepts the other (held or waiting) call.
Place all active calls (if any exist) on hold and accepts the other (held or waiting) call.
Adds a held call to the conversation.
Connects the two calls and disconnects the subscriber from both calls (Explicit Call Transfer).
Possible responses
OK
Note: If n is within the defined values
+CHLD: (0-4, 11-17, 21-27)
OK
Chapter 10 – Supplementary Services Commands
87
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