DCE

Data Circuit Equipment

DTE

Data Terminal Equipment

DTMF

Dual-tone multi-frequency signaling

DTR

Data Terminal Ready

GPIO

Global Purpose Input Output

IMEI

International Mobile Equipment Identity

MDN

Mobile Directory Number

ME

Mobile Equipment

MIN

Mobile Identification Number

MS

Mobile Station

NID

Network Identification

PDP

Packet Data Protocol

PLMN

Public Land Mobile Networks

PPP

Point-to-Point Protocol

SID

System Identification

SIM

Subscriber Information Module

STK

SIM Application Toolkit

TCP

Transmission Control Protocol

UART

Universal Asynchronous Receiver Transmitter

UDP

User Datagram Protocol

BOOT      

Boot loader

AMSS    

AMSS firmware

HYPER     

Virtualization layer

OAT_NVP

Open-AT firmware NV parameters

OAT_FW  

Open-AT firmware

AvMS  

AirVantage Management Services  FOTA

eUICC

embedded UICC

BIP

Bearer Independent Protocol

[R-1]

4111843

R17.00

AT Commands Interface Guide for Firmware 7.54.0.A1

[R-2]

4111844

R16.00

ADL User Guide for Open AT Application Framework OS 6.54.0.A1

[R-3]

4115145

R05.1

AirPrime - SL808xT,SL808xBT,SL808xBTA - Product Technical Specification & Customer Design Guidelines

[R-4]

2174049

R01.00

Audio feature Application Note  

[R-5]

4117330

R01.01

SL808x Download

[R-7]

4118112

R01.03

Customer Release Notes – OS 6.54.0.A1

Open AT OS

6.54.0.A1.201511201000

Location Library

1.4.8.201509231354

eCall inband Modem Library

1.3.4.201512300930

Delivered as beta, expected to be fully validated with FW R7.54.1.A1

Security Library

2.2.2.201512220314

Internet Library

5.58.0.A1.201512161421

Extended AT Application

3.0.0.A1.201512301215

Binary Update Tool

R11.2.1105.0

SIERRA_BOOT_C04.05.14.00.SL8RD.cwe

SIERRA_OAT_FW_754_0_A1_22_1_FULL_sl808xA.cwe 

Developer Studio

3.3

MuxConfTool

4.5.6.0

Upgrade through Developer Studio

Open_AT_Application_Framework_v2-54-0-A1_SL808x_Full_Installer.exe

85792

When performing ATD#xxxx, the module rejects the mobile originating call, when it should treats it.

AT

CALL

78321

AT+CHLD=1x result in all calls drop if "x" is not a valid call

AT

CALL

86166

If EF-OPL entry matching with current LAC and operator points to record 0 in EF-PNN, then PLMN name from NITZ is not displayed as a response to AT+COPS? command

AT

OTHER

85916

AT+CLCK="PN" can cause side effect, and bad PLMN lock

AT

OTHER

82956

AT+WUBS? Read command may return incorrect value if the AirPrime is not able to latch to the band selected by AT+WUBS action command.

AT

OTHER

83436

At times, response for AT+CREG? Command is +CREG: 1 even after removing SIM card.

AT

OTHER

82609

+CGREG status shown by AT command is not in line with actual GPRS registration status of the module.

AT

OTHER

83529

Response of AT+CIEV for receives signal quality is not in line with response received for AT+CSQ

AT

OTHER

83595

Unsolicited +CIEV indication is not received when signal strength changes and +CIEV codes are enabled using AT+CMER command.

AT

OTHER

76220

Even if main cell information are available, +CME ERROR 30 is sometimes returned when AT+CCED=0,35 is issued

AT

OTHER

77943

The maximum supported value for ADC Vbatt with AT+WDIAG is 4.3V instead of 4.2V

AT

OTHER

78689

+WIOM AT command usage may lead to a module reset if numerously sent ( more than 30000 times)

AT

GPIO

78753

No +CGREG indication is sent after GPRS service recovery.

AT

OTHER

79247

Wrong Error code is obtained for +CEER when the GPRS attach request is rejected for the cause "GPRS not allowed"

AT

OTHER

81072

When Flash objects storage is intensively used (for example for Phonebook), Open-AT application may be frozen during few seconds after switching radio on with AT+CFUN=1,0.

AT

OTHER

81585

Module might reset or not respond  (occurrence < 10%)  when sending AT+CCED

AT

OTHER

82089

If some badly formed AT commands are sent by application, it could end with a heap memory corruption

AT

OTHER

84000

Incorrect error code reported by AT+CEER when network rejects PDP context activation request

AT

OTHER

81510

Very low CPU available during a few seconds after AT+CFUN=0

AT

OTHER

79504

When 8 wires UART is configured with WHCNF and AT+W32K=1 commands. Module can’t go into sleep mode due to bad DTR signal.

AT

Sleep Mode

84383

The module can't enter into sleep mode after hang up a call

AT

Sleep Mode

78758

When a SMS sending is requested by using AT+CMGS, the AT parser is blocked waiting for the OK response. In case of huge load in the system (other treatment in progress etc ...), the AT+CMGS treatment may take a long time.

AT

SMS

82871

Multiple instances of AT command timeouts seen usually when there is an MT SMS at the same time

AT

SMS

75906

MS is unable to display the information by AT command for Open Channel as channel identifier is not reported on the AT interface. (BIP feature)

AT

STK

69663

The audio PCM playback stop may lead to a module reset.

AUDIO

74714

Hardware PCM interface  is not functional (with restrictions  AGC, and AVC should be cut)

AUDIO

77114

Rx / Tx AGC are active as default settings

AUDIO

78892

When a second MO call is done after releasing a first call with ATH, the echo canceller doesn't work, unless voice prompt without audio processing is used during call establishment and RxAGC is activated. Sending "AT+ECHO=1,1" prior to each call works around this issue.

AUDIO

84911

Any use of audio in OAT stops SL8 sleep mode activation.

AUDIO

78408/77784

After an OTA firmware update, the module may be not able to reconnect to automatically the AirVantage server, due to an HTTP error received (<7%). After a module reset, connection is successful.

AvMS

79018

AirPrime module does connect to the AvMS server after AT+WDSS=1,1 command is issued in case of an AvMS package is present in flash and end user has not yet accepted the installation of the package (User agreement enable).

AvMS

76792

ICCID Monitoring not supported with AvMS portal

AvMS

Monitoring

77858

GPIO state is not stable when the module is set in Low Power Mode.

DEVICE

GPIO

82224

USB CDC EEM link cannot receive data after restart of bearer from sleep mode.

DEVICE

USB

77689

SPI read starts failing continuously after stress testing this interface for 2 days at low speed.

DEVICE

SPI

79264

An SPI transaction may fail under SPI stress test

DEVICE

SPI

79582

Sometimes, the module resets with watchdog after subscribing and then reading/writing to the SPI bus.

DEVICE

SPI

79689

SPI transaction may be sometimes incomplete.

DEVICE

SPI

83369

Reset of SL8 in some particular cases of UART_SPI usage (heavy traffic and IOCTL for example)

DEVICE

UART SPI

82057

Reset seen sometimes during boot up when traces are being collected using UART over SPI port.

DEVICE

UART SPI

82858

UART over SPI does not work and data transfer is not possible, because of Bad Chip Select management

DEVICE

UART SPI

84407

stops sending data sent using adl_fcmSendData () from embedded application to the external application using UART over SPI when HAPC mode is enabled and data is sent at a very high rate, along with unsolicited AT responses

DEVICE

UART SPI

79655

According to internal conditions (not easy to get), data received on UART are no more managed, so the AT interface seems frozen or AT answers are delayed. It happens especially in case or Break or Overrun.

DEVICE

UART

79656

The UART is blocked if there is a FIFO overrun

DEVICE

UART

78940

[eUICC] Local ERA-GLONASS subscription swap procedure fails with a specific Oberthur eUICC card.

SIM

eUICC

82028

Stack Corruption occurs on receiving sim toolkit refresh indication. It leads to a reset.

SIM

STK

86104

Memory leak occurs if STLK autoresponse is enabled and silentmode is disabled. After too many leaks, it leads to a reset.

SIM

STK

83866

 software watchdog Reset are got after SIM phonebook activity

SIM

PHBK

83741

Value of RP Cause in CP_DATA [RP_ERROR] is wrong when a MT SMS to be stored in SIM is received.

That means network receives a wrong indication from the MS when the SIM memory is full. Depending on the way the network uses this information, it could lead the network to take wrong decision about potential SMS retransmission (trying to resend by changing class for example etc ...).

SMS

86284

SMS Sent by AirPrime using STK SEND SMS command has invalid SMSC

SMS

85469

When "out of envelops" exception happens, a double fault can also happen, so analysis will be very difficult

SYS

81761

Users cannot download DEE, after sending username and password with AT+WPPP and activating the PDP context.

TELECOM

DATA

81225

Connected data connection is not disconnected even GSM stack has already been shut down due to overheat.

TELECOM

DATA

84970

DNS parameters in Activate PDP Context Request is not correct of SL8 and cause the DNS not returned by network.

TELECOM

DATA

75988

Cannot establish multiple PDP connections with the same APN.

TELECOM

SESSION MGT

82509

Cannot establish multiple PDP connections if PDP context type are different (IP and PPP)

TELECOM

SESSION MGT

85099

APN used for CGDCONT always truncated to 25 characters

TELECOM

SESSION MGT

85987

If a SIM REFRESH is initiated by SIM card during a PDP context establishment (AT+CGACT=1,x), final answer (OK) may be not displayed on AT terminal.

No way no treat other AT commands.

TELECOM

SESSION MGT

79273

Modem resets when roaming between AT&T and Canadian networks along the border using the Jasper SIM

TELECOM

86010

3G band selection with at+wubs command is not taken into effect sometimes.

TELECOM

81498

Very low  CPU available for Application in case of disconnection of USB when used in debug (connected to Dev Studio)

TRC

HAPC

AirPrime SL8082T/BT - Sierra Wireless

7.54.0.A1 release

Modem: C04.05.14.00

GCF-CC v3.59.0

Date of Certification: 2015-11-13

Reference:   5051

SL8080T/BT: NAPRD.03 v 5.25

88683

When a voice call is released by the network, the following call returns the error code +CEER 16 even if it's disconnected for no signal.

AT

CALL

72948

Incorrect terminal response is sent to the SIM after a proactive Send USSD command is requested.

AT

STK

72961

Incorrect terminal response is sent to the SIM after a proactive Send SS command is requested.

AT

STK

84529

With AT+CGLA, APDU command longer than 235 bytes are not supported (+CME ERROR occurs) and APDU response longer than 243 bytes are not supported too.

AT

eUICC

78754

Memory leak occurs when AT+WIOM?, AT+WIOM=2 and AT+WIOM=3 commands are issued

AT

GPIO

65589

SIM initialization time can be very long and may vary from one SIM to other.

AT

SIM

87498

Supplementary service commands stop working if six or more than six unsolicited +CUSD: 0,xxx indications are received from AMSS.

AT

SS

77173

Call Forwarding command is not correctly managed for Data services (CSD).

AT

SS

78145

+CHLD=2 handling occasionally returns +CME ERROR 30

AT

SS

79006

CHLD Making a 5-party conference call, ATD variants return NO CARRIER

AT

SS

79035

AT+CHLD=1 may lead to no response after answering a incoming call and doing an outgoing call

That means releasing all active calls (if any exist) and accepts the other (held or waiting) call during a multiparty call session may not work

AT

SS

78135

SL8 returns +CME ERROR 30 for +CHLD=2X. That means: placing all active calls on hold except call X during a multiparty call session does not work.

 SL8 returns +CME ERROR 30 for +CHLD=3. That means: adding a held call to conversation during a multiparty call session does not work.

AT

SS

64017

AT+WLCK doesn’t work for PS, PP and PC facilities.

AT

74467

When Spy Mode is activated, sometimes the +CREG notification is not sent upon network registration state change.

AT

SPY_MODE

66591

AT+WSVN does not change the IMEI SVN sent to the network.

AT

OTHER

85210

<SignalLevel> reported by +WPOW deviates from actual signal level due to incorrect calculation in the firmware.

AT

OTHER

86406

Sometimes closing port can lead to module reset when there are pending responses to be sent over that port.

AT

OTHER

86480

In case of AT+CFUN=1, Time was reinitialized in AMSS by OAT FW. So before Time is retrieved from Network it is not exact, like for a cold start.

AT

OTHER

86849

The firmware default format of +COPS command is changed from numeric to long alphanumeric.

AT

OTHER

87979

Response for AT+CIND? Command is not received if it is issued after AT+CFUN=4.

AT

OTHER

88790

During active voice call, if +VTS command is issued while AT+CMGD=0,4 is in progress, then result of +VTS command is not received.

AT

OTHER

90119

AT+CFBACKUP command fails if there is a residual error file (remains of corrupted NV files) and reports error 684

AT

OTHER

81024

AT+CBST=7,0,3 returns OK instead of returning ERROR as <ce>=3 is not supported.

AT

CSD

81115

+DS, +DR ERROR is not returned in executing commands regarding Data compression

AT

CSD

85023

GSM CSD auto answer setting using ATS0 does not work when AT+CGAUTO is set to 0

AT

CSD

73468

+GPSEVERROR: -23,4 appears after AT+GPSSTART

AT

GPS

78085

Audio prompt glitch during hand overs

AUDIO

78087

Audio prompt glitch during call alerting time

AUDIO

83747

Little glitch at the end of DTMF playback

AUDIO

DTMF

87220

RX is mute when the DTMF is on.

AUDIO

DTMF

79618

Phone Call with AT+SPEAKER=9 will cause the module to reset, and AGC/AVC enabled will make noise.

AUDIO

78835

A short interruption during local PCM playback is heard when answering incoming call (ATA) or when releasing a call (NO CARRIER or ATH).

AUDIO

85765

Audio remains muted if ecall is cancelled immediately using AT+ERAGCALLCANCEL from IVS.

AUDIO

88420

If a voice call is in progress and another incoming call is disconnected by the peer without having been accepted, then first call audio gets muted.

AUDIO

78228

Cell Id reported to AvMS server may be wrong when AirPrime module is registered to a 2G network and a new cell has just been selected.

AvMS

77968

The terminating flag (0xF9) is not received for CMUX DISC command when UART baud rate is configured to 9600bps or 19200bps.

DEVICE

CMUX

78112

Aux ADC1 value returned by AT+ADC for numeric mode is wrong. The analog mode is working.

DEVICE

ADC

69352

SYSTEM_RESET_N pin is not functional when AirPrime module is in sleep mode state.

DEVICE

UART

79701

UART over SPI: missing characters in transmission and reception during throughput tests.

DEVICE

UART over SPI

89488

Module resets when UART over SPI port is closed using AT+WMFM command when HAPC mode is enabled on it

DEVICE

UART over SPI

73909

"." and ".." folders are not shown while listing the contents of a File System.

File system

86061

Action Command at+wsimpfset returns +CME ERROR: 740 (Impacted SIM card manufacturers are: Oberthur + Morpho) -> SIM switch profile may be indicated as failed.

SIM

87425

Facility lock status cannot be queried till the facility lock password is provided using AT+CPIN

SIM

86243

Module cannot detect SIM card if it is PH-NET PIN enabled.

85106

OAT UICC test case: Command processing, warning and error status bytes failed. When a SIM card answer by using specific procedure, SIM card may be declared as absent for user.

SIM

T=0/T=1

66340

SIM Initialization time on SL808xT AirPrime module is longer (WIND4: 43 sec) than on Open-AT 2G products.

SIM

86601

Incorrect of IMEISV length defined by Qualcomm in QSC6270 PL4.5.  Fix the incorrect IMEISV in Provide Local information of STK proactive command on SL808X module.

SIM

82466

AT+CPIN? Always returns +CME ERROR: 10 for SIMs which take more than 3 minutes to initialize.

SIM

72684

STK proactive command "Language notification" is not supported.

SIM

STK

77656

AirPrime module fails to perform STK "set up call" command.

SIM

STK

79377

No terminal response is sent to the SIM for GET INKEY, backward move.

SIM

STK

63843

When a STK SEND SS is requested, the action is correctly done, but the Terminal response sent back to the SIM doesn't contain additional information (Operation Code and SS Parameters).

SIM

STK

69490

Incorrect TERMINAL RESPONSE is received if call attempt resulting from a proactive command fails.

SIM

STK

86605

AT+CNUM return ERROR after OTA SIM Provisioning.

SIM

STK

76414

[eUICC] Local ERA-GLONASS subscription swap procedure may be long (5 seconds) with Gemalto eUICC..

SIM

eUICC

87338

SMS indication for class 2 may be lost if module is reset before +WIND: 16 indication

SMS

MT SMS

87093

Class 2 SMS received before +WIND: 16 does not send any +CMTI indication but are silently stored in SIM card.

SMS

MT SMS

87095

Open AT application cannot read SMS even if +CMTI indication is sent, if it is received after SMSPP service has been loaded but before SMSCB service is loaded.

SMS

MT SMS

85396

When ME and SM memory are full regarding to SMS storage and a SMS is deleted by user in ME memory, the "memory available procedure" is not performed. Depending on the network strategy, MTSMS may be blocked in network up to SMS SM deletion.

SMS

MT SMS

85397

When memory in SIM/USIM is full and ME memory is not full, MS is no more able to receive MTSMS class 2 as no more free memory to store it. MS is supposed to send appropriate ERROR code to the network to allow it to suspend next MTSMS class 2 deliveries. But error code sent by MS is wrong in such a use case

SMS

MT SMS

76293

Empty SMS in text and PDU mode can’t be sent (+CMS ERROR: 513)

SMS

75319

Incoming SMS may be never received in case of AirPrime module is in OFF mode state when SMS is sent.

SMS

72444

When sending SMS (PDU mode) continuously without any delay, SMS delivery reports are not noticed through +CDS.

SMS