Multitech MultiModem Cell MTCBA-C1 User's Guide Page 130
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Chapter 22 – CDMA Terminology and Acronyms
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 130
PN Offset PN Offset stands for Pseudorandom Noise Offset. In a CDMA network the PN offset is a
variable time delay offset of a repeating random noise generator that is used to
distinguish individual sectors of a base station.
P-REV P-REV is the CDMA revision of the mobile or base station.
PRI PRI stands for Provisioning Information. Provisioning Information is your cellular network
carrier’s profile of information that must be programmed into your cellular modem in order
for it to operate on the carrier’s cellular network.
PRL PRL stands for Preferred Roaming List. The Roaming List is provided by the cellular
network carrier during the process of provisioning your SocketModem. The PRL is a list
of cellular service provider’s preferred roaming partners.
PSTN PSTN stands for Public Switching Telephone Network. It is the traditional telephone
network.
RF RF stands for Radio Frequency.
RSSI RSSI stands for Receive Signal Strength Indicator: This parameter represents the total
RF received signal power from the base station(s) the mobile sees.
R-UIM R-UIM stands for Removable User Identity SocketModem. The R-UIM is similar to a SIM
(Subscriber Identity SocketModem), but it is designed for networks other than GSM
(Global System for Mobile Telecommunications); i.e., networks such as CDMA.
The R-UIM card contains user information and data features on a removable smart card
about the size of a postage stamp. It is a dual-mode solution that can store both GSM
provisioning and CDMA provisioning on a single card. When used with a GSM handset,
the R-UIM operates like a GSM SIM.
SID SID stands for System ID. The SID is an identification number that represents geographic
locations of a common coverage area, usually a large city. Also see NID.
SIM SIM stands for Subscriber Identity SocketModem. A SIM card is a portable memory chip.
The SIM holds personal identity information, cell phone number, phone book, text
messages and other data.
SMS SMS stands for Short Messaging Service. it is a supplementary service that is capable of
sending and receiving short length text messages to/from the mobile.
SREJ Selective Reject. An optional feature of V.42 which enhances data throughput on noisy
connections. As data blocks are sent out, the remote side acknowledges only after an
agreed upon number of blocks are received (window size). If any block is received bad,
the sender is notified of the rejected bad block so it can be retransmitted.
TA/TE TA/TE stands for Terminal Application/Terminal Equipment. This is the end “device”
(combination of hardware and software) that communicates with a modem via a serial
link. In this context, it is the device (PDA/Computer) connected to the modem. Also see
DTE.
TON/NPI Type of Number/Numbering Plan Identification.
V24-V25 A data compression algorithm.
V42 A data comp
ression algorithm.
- CDMA-C1 AT Commands 1
- Contents 3
- Chapter 1 – Introduction 7
- Chapter 2 – AT Commands 8
- Overview 8
- Command Types 9
- Command Format and Syntax 9
- Input Command Syntax 10
- Other Syntax 10
- Output Response Syntax 10
- Parameter Defaults 10
- Unsolicited Message Syntax 11
- Attention AT 12
- Repeat Last Command A/ 12
- Echo E 12
- Bits +WUSLMSK 13
- Chapter 4 – Identification 15
- Commands 15
- Chapter 5 – Query Commands 17
- Chapter 6 – Global 18
- Configuration Commands 18
- Save Configuration &W 19
- Chapter 7 – Status Commands 20
- Chapter 8 – Communication 26
- Set Diagnostic Port +WDMX 27
- Set DCD Signal &C 27
- Set DTR Signal &D 28
- Set DSR Signal &S 28
- Automatic Answer S0 30
- Command Edit Character S5 31
- Chapter 9 – Call Control 33
- Hang-Up Command H 34
- Answer a Call A 34
- Incoming Call +RING 35
- Emergency Mode +WSOS 37
- Call Answered +WANS 38
- Call Connected +WCNT 38
- Call Ended +WEND 39
- Call Originated +WORG 40
- CPHS Command +CPHS 40
- Call Forwarding +CCFC 42
- Send DTMF Tones +VTS 44
- Chapter 10 – Network Service 45
- Signal Quality +CSQ 46
- Band Preference +WBND 49
- Service Indication +WSRV 50
- Roam Preference +WRMP 50
- Default Cell Band +WDCB 51
- Roaming Indication +WROM 51
- Chapter 11 – Provisioning 54
- Control Commands 54
- Excess SPC Failures +WLCK 55
- Download PRL +DPRL 56
- Commit Changes +WCMT 58
- Set IMSI +WIMI 58
- Slot Cycle Index +WSCI 60
- SID and NID +WSID 60
- Chapter 12 – OTASP / OTAPA 61
- Commit Successful +WOTC 62
- SPL Unlocked +WOTS 62
- NAM Download OK +WOTN 62
- MDM Download OK +WOTM 62
- IMSI Download OK +WOTI 63
- PRL Download OK +WOTP 63
- Chapter 14 – Short Message 70
- Service Control Commands 70
- Read Message +CMGR 71
- List Message +CMGL 72
- Delete Message +CMGD 73
- Chapter 15 – Audio Commands 79
- Microphone Gain +VGT 81
- Speaker Gain Control +VGR 82
- Digital Gain Receive +WDGR 84
- Echo Cancellation +ECHO 86
- Speaker Driver Gain +WSDG 87
- Audio Loopback &T 88
- Chapter 16 – Data Commands 89
- R-SCH Selection $QCMIP 90
- MIP Selection $QCMIPP 91
- Chapter 17 – TCP APP AT 98
- Chapter 18 – Sleep Commands 107
- Builds) 111
- Chapter 19 – Antenna 111
- Commands (Not for IP and GPS 111
- +WANTPOLL 113
- Auxiliary GPS Power +WANT 115
- Scenarios 118
- Call Processing 119
- Sending Binary Data 120
- TCP Socket Examples 121
- TCP Server Example 122
- ATZ, and AT&F 123
- Chapter 22 – CDMA 128
- Terminology and Acronyms 128
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