[MTX-4206] mPower R.6.0: Making Telit and Quectel radios data-only on AT&T network. GP-1364

Add 2 functions for Telit and Quectel modems:
  - disableVoiceSupport: disable voice support (IMS and CSFB) and enable SMS only registration flag.
  - getVoiceSupport: get voice support configuration for the current radio.

1 files changed, 92 insertions, 0 deletions

diff --git a/src/MTS_IO_QuectelRadio.cpp b/src/MTS_IO_QuectelRadio.cpp
index b6eab80..7a1a1a7 100644
--- a/src/MTS_IO_QuectelRadio.cpp
+++ b/src/MTS_IO_QuectelRadio.cpp
@@ -37,6 +37,7 @@ const std::string QuectelRadio::CMD_ABORT_UPLOAD = "+++";
 // It is strongly recommended to use DOS 8.3 file name format for <filename>.
 const std::string QuectelRadio::VALUE_MTS_DELTA_NAME = "mtsdelta.zip";
 const std::string QuectelRadio::VALUE_MTS_DELTA_PATH =  "/data/ufs/" + QuectelRadio::VALUE_MTS_DELTA_NAME;
+const std::string QuectelRadio::VALUE_QNVR_DISABLE_VOICE = "0102000000000000";
 
 QuectelRadio::QuectelRadio(const std::string& sName, const std::string& sRadioPort)
 : CellularRadio (sName, sRadioPort)
@@ -1376,3 +1377,94 @@ ICellularRadio::CODE QuectelRadio::getUeModeOfOperation(ICellularRadio::UE_MODES
     mode = ICellularRadio::UE_MODES_OF_OPERATION::UNKNOWN_MODE;
     return FAILURE;
 }
+
+ICellularRadio::CODE QuectelRadio::disableVoiceSupport() {
+    printTrace("%s| Disable Voice Support", getName().c_str());
+
+    CODE rc;
+    const int dTimeout = 1000; // ms
+    std::string sCommand = "AT+QNVFW=\"/nv/item_files/ims/IMS_enable\",00";
+
+    rc = sendBasicCommand(sCommand, dTimeout);
+    if (rc != SUCCESS) {
+        printError("%s| Failed to disable IMS support: [%d]", getName().c_str(), rc);
+        return rc;
+    }
+
+    sCommand = "AT+QNVW=5280,0,\"0102000000000000\"";
+
+    rc = sendBasicCommand(sCommand, dTimeout);
+    if (rc != SUCCESS) {
+        printError("%s| Failed to disable voice support via +QNVW=5280,0: [%d]", getName().c_str(), rc);
+        return rc;
+    }
+
+    sCommand = "AT+QNVFW=\"/nv/item_files/modem/mmode/sms_only\",01";
+
+    rc = sendBasicCommand(sCommand, dTimeout);
+    if (rc != SUCCESS) {
+        printError("%s| Failed to enable \"SMS only\" registration flag: [%d]", getName().c_str(), rc);
+        return rc;
+    }
+
+    return SUCCESS;
+}
+
+ICellularRadio::CODE QuectelRadio::getVoiceSupport(bool& bVoiceEnabled, bool& bSmsOnly) {
+    printTrace("%s| Get Voice Support status", getName().c_str());
+
+    CODE rc;
+
+    bool bImsEnabled = false;
+    const int dTimeout = 1000; // ms
+
+    std::string sResult;
+    std::string sCommand;
+    std::string sLabel;
+
+    bVoiceEnabled = false;
+    bSmsOnly = false;
+
+    printTrace("%s| Get IP Multimedia Subsystem status", getName().c_str());
+    sCommand = "AT+QNVFR=\"/nv/item_files/ims/IMS_enable\"";
+    sLabel = "+QNVFR: ";
+
+    rc = sendBasicQuery(sCommand, sLabel, sResult, dTimeout);
+    if (rc != SUCCESS) {
+        return rc;
+    }
+
+    if (sResult != "00") {
+        bImsEnabled = true;
+    }
+
+    printTrace("%s| Get +QNVR=5280,0 status", getName().c_str());
+    sCommand = "AT+QNVR=5280,0";
+    sLabel = "+QNVR: ";
+
+    rc = sendBasicQuery(sCommand, sLabel, sResult, dTimeout);
+    if (rc != SUCCESS) {
+        return rc;
+    }
+
+    sResult = MTS::Text::strip(sResult, '"');
+
+    if (bImsEnabled || sResult != VALUE_QNVR_DISABLE_VOICE) {
+        bVoiceEnabled = true;
+    }
+
+    printTrace("%s| Get \"SMS only\" registration status", getName().c_str());
+    sCommand = "AT+QNVFR=\"/nv/item_files/modem/mmode/sms_only\"";
+    sLabel = "+QNVFR: ";
+
+    rc = sendBasicQuery(sCommand, sLabel, sResult, dTimeout);
+    if (rc != SUCCESS) {
+        return rc;
+    }
+
+    if (sResult == "01") {
+        bSmsOnly = true;
+    }
+
+    return SUCCESS;
+}