Multitech MTCMR-H User's Guide download pdf (Page 72)

Chapter 3 – Supported GSM/WCDMA AT Commands

High Speed HSPA-H4 AT Commands Reference Guide (Document S000483A) 72

+CMMS More Messages to Send

Description: This command allows the link to be kept open while sending several short messages within

a short delay.

Syntax:

Command Responses

Action Command:

AT+CMMS=<mode>

Read Command:

AT+CMMS?

+CMMS: <mode>

Test Command:

AT+CMMS=?

+CMMS: (list of supported <mode>s)

Values: <mode> Operating Mode

0 Disable feature

1 Keep link opened while messages are sent.

If the delay between two messages exceeds 5 seconds, the link is closed and

the mode is reset to 0: the feature is disabled.

2 Keep link opened while messages are sent.

If the delay between two messages exceeds 5 seconds, the link is closed but

the mode remains set to 2: the feature is still enabled.

Examples:

Command Responses

AT+CMMS=? +CMMS: (0-2)

AT+CMMS=2

Note: Enable feature

Note: Feature is enabled; link is open

AT+CMMS? +CMMS: 2

Notes:

• The delay of 5 seconds complies with Recommendation 3GPP TS 27.005.

• Before sending the last SMS in the link, you must use the AT+CMSS=0 command. This

command will indicate that the next SMS will be the last one.

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Multitech MTCMR-H User's Guide Page 72