OTA (Over-The-Air) Packet - Revision history

Editor: /* Sample Packet */

2025-08-25T05:09:12Z

Sample Packet

@@ Line 61: / Line 61: @@
 ==Sample Packet==
 <pre>
-  {"HEX:240340e1cabd09208ca210000000000000006824646f160947455420545355524c1c55524c3a5443503a3134312e3134372e3132382e3135303a383738382aa2",
+  {HEX : "240630e21aeb7abfd582100000000000000068abef4a160854534657494e464f4c4657494e464f3a2054534434475f305f332e302e350a4657494e464f3a2054532d4452425f32353231315f332e302e320a4657494e464f3a2054532d4434525f32353231315f332e302e350a2ac3" "imei": 862942074896044, "packet_type": 2, "no_packets": 1, "ota_source": 2, "error_status": 0, "cell_no": 0, "dateTime": 1756098378, "timezone": 22, "dateTime_tz": "2025-08-25 10:36:18", "command_length": 8, "command": "TSFWINFO", "response_length": 76, "response": "FWINFO: TSD4G_0_3.0.5\nFWINFO: TS-DRB_25211_3.0.2\nFWINFO: TS-D4R_25211_3.0.5\n", "error_code": 0 }
 </pre>

Editor at 06:56, 18 August 2025

2025-08-18T06:56:10Z

← Older revision		Revision as of 06:56, 18 August 2025
Line 6:		Line 6:
	! style="background-color:#680022; color:white;" \| Breakdown		! style="background-color:#680022; color:white;" \| Breakdown
	\|-		\|-
	! colspan="5" style="background:#D3D3D3;" \| Header		! colspan="5" style="background:#D3D3D3;" \| Header (10 Bytes)
	\|-		\|-
	\| Start byte \|\| 8 \|\| 0–7 \|\| Starting character $ (ASCII value 36) \|\| $		\| Start byte \|\| 8 \|\| 0–7 \|\| Starting character $ (ASCII value 36) \|\| $
Line 24:		Line 24:
	05 - IP configuration packet		05 - IP configuration packet
	\|-		\|-
	! colspan="5" style="background:#D3D3D3;" \| Data		! colspan="5" style="background:#D3D3D3;" \| Data (154 Bytes)
	\|-		\|-
	\| OTA Source \|\| 5 \|\| — \|\| Source of OTA \|\|		\| OTA Source \|\| 5 \|\| 80-84\|\| Source of OTA \|\|
	00 - OTA_SRC_SERIAL<br>		00 - OTA_SRC_SERIAL<br>
	01 - OTA_SRC_SMS<br>		01 - OTA_SRC_SMS<br>
Line 32:		Line 32:
	03 - OTA_SRC_IP_CUSTOMER		03 - OTA_SRC_IP_CUSTOMER
	\|-		\|-
	\| Error status \|\| 8 \|\| — \|\| Non-zero value indicates an error \|\| 0 = No Error, Non-zero = Error		\| Error status \|\| 8 \|\| 85-92\|\| Non-zero value indicates an error \|\| 0 = No Error, Non-zero = Error
	\|-		\|-
	\| Cell Number \|\| 51 \|\| — \|\| First bit (MSB) indicates presence of country code. Remaining 50 bits = mobile number \|\|		\| Cell Number \|\| 51 \|\| 93-143\|\| First bit (MSB) indicates presence of country code. Remaining 50 bits = mobile number \|\|
	Example: 400D6276ACF52 (+919784312658)		Example: 400D6276ACF52 (+919784312658)
	\|-		\|-
	\| Date & Time \|\| 32 \|\| — \|\| UTC Timestamp \|\| UTC time in seconds		\| Date & Time \|\| 32 \|\| 144-175\|\| UTC Timestamp \|\| UTC time in seconds
	\|-		\|-
	\| Timezone \|\| 8 \|\| — \|\| Timezone in quarter-hours (e.g., 22 = +5:30) \|\|		\| Timezone \|\| 8 \|\| 176-183\|\| Timezone in quarter-hours (e.g., 22 = +5:30) \|\|
	22 × 15 mins = 330 mins = +5:30		22 × 15 mins = 330 mins = +5:30
	\|-		\|-
	\| Command Length \|\| 8 \|\| — \|\| Length of command string \|\| —		\| Command Length \|\| 8 \|\| 184-191\|\| Length of command string \|\| —
	\|-		\|-
	\| Command \|\| up to 600 bits (75 bytes) \|\| — \|\| Command with arguments, null-terminated string \|\|		\| Command \|\| up to 600 bits (75 bytes) \|\| 192-791 \|\| Command with arguments, null-terminated string \|\|
	Example: SET CUIOCFG:IO1-DI-IGNIO2_AN_GENIO3-DI-PBNIO4-DO-IMB		Example: SET CUIOCFG:IO1-DI-IGNIO2_AN_GENIO3-DI-PBNIO4-DO-IMB
	\|-		\|-
	\| Response Length \|\| 8 \|\| — \|\| Length of response string \|\| —		\| Response Length \|\| 8 \|\| 792-799 \|\| Length of response string \|\| —
	\|-		\|-
	\| Response \|\| up to 512 bits (64 bytes) \|\| — \|\| Response string from device \|\|		\| Response \|\| up to 512 bits (64 bytes) \|\| 800-1311\|\| Response string from device \|\|
	Example: IOCFG:IO1-DI-IGNIO2-AN_GENIO3-DI-PBNIO4-DO-IMB		Example: IOCFG:IO1-DI-IGNIO2-AN_GENIO3-DI-PBNIO4-DO-IMB
	\|-		\|-
	! colspan="5" style="background:#D3D3D3;" \| Tail		! colspan="5" style="background:#D3D3D3;" \| Tail (2 Bytes)
	\|-		\|-
	\| End Character \|\| 8 \|\| 0–7 \|\| End character * (ASCII value 42) \|\| *		\| End Character \|\| 8 \|\| 0–7 \|\| End character * (ASCII value 42) \|\| *

Editor: /* Sample Packet */

2025-07-21T20:29:15Z

Sample Packet

← Older revision		Revision as of 20:29, 21 July 2025
Line 106:		Line 106:
	<h2>OTA Packet Parser</h2>		<h2>OTA Packet Parser</h2>
	<textarea id="hexInput" placeholder="Paste OTA packet hex here..."></textarea><br>		<textarea id="hexInput" placeholder="Paste OTA packet hex here..."></textarea><br>
	<button onclick="parseOTAPacket()">Parse ~~OTA~~ Packet</button>		<button onclick="parseOTAPacket()">Parse Packet</button>

	<h3>Parsed Output:</h3>		<h3>Parsed Output:</h3>

Editor at 10:44, 21 July 2025

2025-07-21T10:44:49Z

← Older revision		Revision as of 10:44, 21 July 2025
Line 78:		Line 78:
	</pre>		</pre>

	===[~~[OTA PACKET PARSER]~~]===
			<html lang="en">
			<head>
			<meta charset="UTF-8">
			<style>
			body { font-family: Arial, sans-serif; }
			textarea { width: 100%; height: 100px; font-family: monospace; }
			button {
			padding: 10px 20px;
			border-radius: 20px;
			font-weight: bold;
			background-color: #680022;
			color: white;
			border: none;
			cursor: pointer;
			}
			button:hover {
			background-color: #4c0019;
			}
			table { width: 100%; border-collapse: collapse; margin-top: 20px; }
			th, td { border: 1px solid #ccc; padding: 8px; text-align: left; }
			th { background-color: #680022; color: white; }
			</style>
			</head>
			<body>

			<h2>OTA Packet Parser</h2>
			<textarea id="hexInput" placeholder="Paste OTA packet hex here..."></textarea><br>
			<button onclick="parseOTAPacket()">Parse OTA Packet</button>

			<h3>Parsed Output:</h3>
			<table id="resultTable">
			<thead><tr><th>Field</th><th>Value</th></tr></thead>
			<tbody></tbody>
			</table>

			<script>
			function hexToBits(hex) {
			return hex.match(/.{1,2}/g).map(b =>
			parseInt(b, 16).toString(2).padStart(8, '0')).join('');
			}

			function bitsToInt(bits) {
			return parseInt(bits, 2);
			}

			function bitsToSignedInt(bits) {
			let value = parseInt(bits, 2);
			const max = Math.pow(2, bits.length);
			return value >= max / 2 ? value - max : value;
			}

			function bigIntFromBits(bits) {
			return BigInt('0b' + bits).toString();
			}

			function bitsToAscii(bits) {
			let ascii = '';
			for (let i = 0; i < bits.length; i += 8) {
			ascii += String.fromCharCode(parseInt(bits.slice(i, i + 8), 2));
			}
			return ascii;
			}

			function parseOTAPacket() {
			const hex = document.getElementById("hexInput").value.trim().toLowerCase();
			const resultBody = document.querySelector("#resultTable tbody");
			resultBody.innerHTML = "";

			if (!hex \|\| !hex.startsWith("24")) {
			alert("Invalid packet");
			return;
			}

			const bits = hexToBits(hex);
			const output = (label, value) => {
			const row = document.createElement("tr");
			row.innerHTML = `<td>${label}</td><td>${value}</td>`;
			resultBody.appendChild(row);
			};

			const getBits = (start, end) => bits.slice(start, end);

			// Refer to telemetry parser logic — exact structure
			output("IMEI", bigIntFromBits(getBits(25, 75)));
			output("Packet Type", bitsToInt(getBits(75, 80)));
			output("OTA Source", bitsToInt(getBits(80, 85)));
			output("Error Status", bitsToInt(getBits(85, 93)));

			const cellBits = getBits(93, 144);
			const isWithCountryCode = cellBits[0] === '1';
			const cellNo = parseInt(cellBits.slice(1), 2);
			output("Cell Number", isWithCountryCode ? `+${cellNo}` : cellNo);

			const dt = bitsToInt(getBits(144, 176));
			output("UTC Timestamp", new Date(dt * 1000).toISOString());

			const timezoneRaw = bitsToSignedInt(getBits(176, 184));
			const offsetMinutes = timezoneRaw * 15;
			const h = Math.floor(Math.abs(offsetMinutes) / 60);
			const m = Math.abs(offsetMinutes % 60);
			const sign = offsetMinutes >= 0 ? "+" : "-";
			output("Timezone", `${offsetMinutes} mins = UTC${sign}${h}:${m.toString().padStart(2, '0')}`);

			const localTime = new Date((dt + offsetMinutes * 60) * 1000)
			.toISOString().replace("T", " ").replace(".000Z", "");
			output("DateTime (Local)", localTime);

			const cmdLength = bitsToInt(getBits(184, 192));
			output("Command Length", cmdLength);

			const cmdBits = getBits(192, 192 + cmdLength * 8);
			output("Command", bitsToAscii(cmdBits));

			const respLenStart = 192 + cmdLength * 8;
			const responseLength = bitsToInt(getBits(respLenStart, respLenStart + 8));
			output("Response Length", responseLength);

			const respBits = getBits(respLenStart + 8, respLenStart + 8 + responseLength * 8);
			output("Response", bitsToAscii(respBits));
			}
			</script>

			</body>
			</html>

Editor at 10:25, 21 July 2025

2025-07-21T10:25:41Z

← Older revision		Revision as of 10:25, 21 July 2025
Line 78:		Line 78:
	</pre>		</pre>

	[[OTA PACKET PARSER]]		===[[OTA PACKET PARSER]]===

Editor at 09:24, 21 July 2025

2025-07-21T09:24:30Z

← Older revision		Revision as of 09:24, 21 July 2025
Line 77:		Line 77:
	"timezone": 22}		"timezone": 22}
	</pre>		</pre>
	[OTA PACKET PARSER]
			[[OTA PACKET PARSER]]

Editor at 09:23, 21 July 2025

2025-07-21T09:23:50Z

← Older revision		Revision as of 09:23, 21 July 2025
Line 77:		Line 77:
	"timezone": 22}		"timezone": 22}
	</pre>		</pre>
			[OTA PACKET PARSER]

Editor at 09:23, 21 July 2025

2025-07-21T09:23:03Z

← Older revision		Revision as of 09:23, 21 July 2025
Line 77:		Line 77:
	"timezone": 22}		"timezone": 22}
	</pre>		</pre>

	~~<html lang="en">~~
	~~<head>~~
	~~<meta charset="UTF-8">~~
	~~<title>OTA Packet Parser</title>~~
	~~<style>~~
	~~body { font-family: Arial, sans-serif; padding: 20px; }~~
	~~textarea { width: 100%; height: 100px; font-family: monospace; margin-bottom: 10px; }~~
	~~button {~~
	~~padding: 10px 20px; border-radius: 20px;~~
	~~font-weight: bold; background-color: #680022; color: white;~~
	~~border: none; cursor: pointer;~~
	}
	~~button:hover { background-color: #680022; }~~
	~~table { width: 100%; border-collapse: collapse; margin-top: 20px; }~~
	~~th, td { border: 1px solid #ccc; padding: 8px; }~~
	~~th { background-color: #680022; color: white; }~~
	~~</style>~~
	~~</head>~~
	~~<body>~~

Editor at 09:20, 21 July 2025

2025-07-21T09:20:57Z

← Older revision		Revision as of 09:20, 21 July 2025
Line 97:		Line 97:
	</head>		</head>
	<body>		<body>

	~~<h2>OTA Packet Parser</h2>~~
	~~<textarea id="hexInput" placeholder="Paste OTA packet hex here..."></textarea><br>~~
	~~<button onclick="parseOTAPacket()">Parse OTA Packet</button>~~

	~~<h3>Parsed Output:</h3>~~
	~~<table id="resultTable">~~
	~~<thead><tr><th>Field</th><th>Value</th></tr></thead>~~
	~~<tbody></tbody>~~
	~~</table>~~


	~~<script>~~
	~~function hexToBits(hex) {~~
	~~return hex.match(/.{1,2}/g).map(b =>~~
	~~parseInt(b, 16).toString(2).padStart(8, '0')).join('');~~
	}

	~~function bitsToInt(bits) {~~
	~~return parseInt(bits, 2);~~
	}

	~~function bitsToSignedInt(bits) {~~
	~~let value = parseInt(bits, 2);~~
	~~const max = Math.pow(2, bits.length);~~
	~~return value >= max / 2 ? value - max : value;~~
	}

	~~function bigIntFromBits(bits) {~~
	~~return BigInt('0b' + bits).toString();~~
	}

	~~function bitsToAscii(bits) {~~
	~~let ascii = '';~~
	~~for (let i = 0; i < bits.length; i += 8) {~~
	~~const byte = bits.slice(i, i + 8);~~
	~~ascii += String.fromCharCode(parseInt(byte, 2));~~
	}
	~~return ascii;~~
	}

	~~function parseOTAPacket() {~~
	~~const hex = document.getElementById("hexInput").value.trim().toLowerCase();~~
	~~const resultBody = document.querySelector("#resultTable tbody");~~
	~~resultBody.innerHTML = "";~~

	~~if (!hex.startsWith("24")) {~~
	~~alert("Packet must start with hex '24'");~~
	~~return;~~
	}

	~~const bits = hexToBits(hex);~~
	~~const getBits = (start, end) => bits.slice(start, end);~~
	~~const output = (label, value) => {~~
	~~const row = document.createElement("tr");~~
	~~row.innerHTML = `<td>${label}</td><td>${value}</td>`;~~
	~~resultBody.appendChild(row);~~
	};

	~~// Parse known fixed fields~~
	~~const imei = bigIntFromBits(getBits(25, 75)); // Correct IMEI parse~~
	~~output("IMEI", imei);~~

	~~output("Packet Type", bitsToInt(getBits(75, 80)));~~
	~~output("OTA Source", bitsToInt(getBits(80, 85)));~~
	~~output("Error Status", bitsToInt(getBits(85, 93)));~~

	~~const cellBits = getBits(93, 144);~~
	~~const isWithCountryCode = cellBits[0] === '1';~~
	~~const cellNo = parseInt(cellBits.slice(1), 2);~~
	~~output("Cell Number", isWithCountryCode ? `+${cellNo}` : cellNo);~~

	~~const dt = bitsToInt(getBits(144, 176));~~
	~~output("UTC Timestamp", new Date(dt * 1000).toISOString());~~

	~~const timezoneRaw = bitsToSignedInt(getBits(176, 184));~~
	~~const offsetMinutes = timezoneRaw * 15;~~
	~~const h = Math.floor(Math.abs(offsetMinutes) / 60);~~
	~~const m = Math.abs(offsetMinutes % 60);~~
	~~const tzSign = offsetMinutes >= 0 ? "+" : "-";~~
	~~output("Timezone", `${offsetMinutes} mins = UTC${tzSign}${h}:${m.toString().padStart(2, '0')}`);~~

	~~const localTime = new Date((dt + offsetMinutes * 60) * 1000)~~
	~~.toISOString().replace("T", " ").replace(".000Z", "");~~
	~~output("DateTime (Local)", localTime);~~

	~~const cmdLength = bitsToInt(getBits(184, 192));~~
	~~output("Command Length", cmdLength);~~

	~~const cmdBits = getBits(192, 192 + cmdLength * 8);~~
	~~const command = bitsToAscii(cmdBits);~~
	~~output("Command", command);~~

	~~const respLenStart = 192 + cmdLength * 8;~~
	~~const responseLength = bitsToInt(getBits(respLenStart, respLenStart + 8));~~
	~~output("Response Length", responseLength);~~

	~~const respBits = getBits(respLenStart + 8, respLenStart + 8 + responseLength * 8);~~
	~~const response = bitsToAscii(respBits);~~
	~~output("Response", response);~~
	}
	~~</script>~~

Editor at 09:20, 21 July 2025

2025-07-21T09:20:20Z

← Older revision		Revision as of 09:20, 21 July 2025
Line 77:		Line 77:
	"timezone": 22}		"timezone": 22}
	</pre>		</pre>

			<html lang="en">
			<head>
			<meta charset="UTF-8">
			<title>OTA Packet Parser</title>
			<style>
			body { font-family: Arial, sans-serif; padding: 20px; }
			textarea { width: 100%; height: 100px; font-family: monospace; margin-bottom: 10px; }
			button {
			padding: 10px 20px; border-radius: 20px;
			font-weight: bold; background-color: #680022; color: white;
			border: none; cursor: pointer;
			}
			button:hover { background-color: #680022; }
			table { width: 100%; border-collapse: collapse; margin-top: 20px; }
			th, td { border: 1px solid #ccc; padding: 8px; }
			th { background-color: #680022; color: white; }
			</style>
			</head>
			<body>

			<h2>OTA Packet Parser</h2>
			<textarea id="hexInput" placeholder="Paste OTA packet hex here..."></textarea><br>
			<button onclick="parseOTAPacket()">Parse OTA Packet</button>

			<h3>Parsed Output:</h3>
			<table id="resultTable">
			<thead><tr><th>Field</th><th>Value</th></tr></thead>
			<tbody></tbody>
			</table>


			<script>
			function hexToBits(hex) {
			return hex.match(/.{1,2}/g).map(b =>
			parseInt(b, 16).toString(2).padStart(8, '0')).join('');
			}

			function bitsToInt(bits) {
			return parseInt(bits, 2);
			}

			function bitsToSignedInt(bits) {
			let value = parseInt(bits, 2);
			const max = Math.pow(2, bits.length);
			return value >= max / 2 ? value - max : value;
			}

			function bigIntFromBits(bits) {
			return BigInt('0b' + bits).toString();
			}

			function bitsToAscii(bits) {
			let ascii = '';
			for (let i = 0; i < bits.length; i += 8) {
			const byte = bits.slice(i, i + 8);
			ascii += String.fromCharCode(parseInt(byte, 2));
			}
			return ascii;
			}

			function parseOTAPacket() {
			const hex = document.getElementById("hexInput").value.trim().toLowerCase();
			const resultBody = document.querySelector("#resultTable tbody");
			resultBody.innerHTML = "";

			if (!hex.startsWith("24")) {
			alert("Packet must start with hex '24'");
			return;
			}

			const bits = hexToBits(hex);
			const getBits = (start, end) => bits.slice(start, end);
			const output = (label, value) => {
			const row = document.createElement("tr");
			row.innerHTML = `<td>${label}</td><td>${value}</td>`;
			resultBody.appendChild(row);
			};

			// Parse known fixed fields
			const imei = bigIntFromBits(getBits(25, 75)); // Correct IMEI parse
			output("IMEI", imei);

			output("Packet Type", bitsToInt(getBits(75, 80)));
			output("OTA Source", bitsToInt(getBits(80, 85)));
			output("Error Status", bitsToInt(getBits(85, 93)));

			const cellBits = getBits(93, 144);
			const isWithCountryCode = cellBits[0] === '1';
			const cellNo = parseInt(cellBits.slice(1), 2);
			output("Cell Number", isWithCountryCode ? `+${cellNo}` : cellNo);

			const dt = bitsToInt(getBits(144, 176));
			output("UTC Timestamp", new Date(dt * 1000).toISOString());

			const timezoneRaw = bitsToSignedInt(getBits(176, 184));
			const offsetMinutes = timezoneRaw * 15;
			const h = Math.floor(Math.abs(offsetMinutes) / 60);
			const m = Math.abs(offsetMinutes % 60);
			const tzSign = offsetMinutes >= 0 ? "+" : "-";
			output("Timezone", `${offsetMinutes} mins = UTC${tzSign}${h}:${m.toString().padStart(2, '0')}`);

			const localTime = new Date((dt + offsetMinutes * 60) * 1000)
			.toISOString().replace("T", " ").replace(".000Z", "");
			output("DateTime (Local)", localTime);

			const cmdLength = bitsToInt(getBits(184, 192));
			output("Command Length", cmdLength);

			const cmdBits = getBits(192, 192 + cmdLength * 8);
			const command = bitsToAscii(cmdBits);
			output("Command", command);

			const respLenStart = 192 + cmdLength * 8;
			const responseLength = bitsToInt(getBits(respLenStart, respLenStart + 8));
			output("Response Length", responseLength);

			const respBits = getBits(respLenStart + 8, respLenStart + 8 + responseLength * 8);
			const response = bitsToAscii(respBits);
			output("Response", response);
			}
			</script>