CXSMS Command - SMS Retry Configuration

Configure the number of retries and time between retries for SMS reports.

What is it for?

Use case	Description
📱 Alert reliability	Retry sending in case of failure
💰 Cost control	Limit retries to avoid expenses
📶 Low signal areas	Space retries in problematic areas
⚠️ Critical alerts	Maximize delivery probability

Commands

Configure


SCXSMSaabbbbb

Query


QCXSMS

Response


RCXSMSaabbbbb

Parameters

Parameter	Description	Range	Unit
aa	Number of retries	01-99	retries
bbbbb	Time between retries	03000-99999	hundredths of second

Time Conversion Table

Desired time	`bbbbb` value
30 seconds	`03000`
1 minute	`06000`
2 minutes	`12000`
5 minutes	`30000`
10 minutes	`60000`

Examples

Standard configuration


>SCXSMS0303000<
// aa=03    → 3 retries
// bbbbb=03000 → 30 seconds between attempts (3000 hundredths)

Time is expressed in hundredths of second: divide the value by 100 to get seconds.

Aggressive retries


>SCXSMS1003000<

10 retries
30 seconds between each attempt

Spaced retries


>SCXSMS0312000<

3 retries
2 minutes between retries

Maximum persistence


>SCXSMS9906000<

99 retries
1 minute between retries

Applications

Unstable cellular network


>SCXSMS1006000<

10 retries every minute to maximize sending probability.

Cost optimization


>SCXSMS0130000<

Only 1 retry every 5 minutes to minimize duplicate messages.

Compatibility

💾Firmware v1.03.00

SPLegacy

ULLegacy

MTLegacy

💾Firmware v1.00.00

SP-IOT

SM-IOT