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UC864-E/G/WD/WDU AT Commands Reference Guide

80304ST10041a Rev. 7 - 2010-10-14

+CMGD - Delete Message

<index> - message index in the selected storage <memr>

<delflag> - an integer indicating multiple message deletion request.

0 (or omitted) - delete message specified in <index>

1 - delete all read messages from <memr> storage, leaving unread

messages and stored mobile originated messages (whether sent or not)

untouched

2 - delete all read messages from <memr> storage and sent mobile

originated messages, leaving unread messages and unsent mobile

originated messages untouched

3 - delete all read messages from <memr> storage, sent and unsent

mobile originated messages, leaving unread messages untouched

4 - delete all messages from <memr> storage.

Note: if <delflag> is present and not set to 0 then <index> is ignored and

ME shall follow the rules for <delflag> shown above.

Note: if the location to be deleted is empty, an error message is reported.

AT+CMGD=? Test command shows the valid memory locations and optionally the

supported values of <delflag>.

+CMGD: (supported <index>s list)[,(supported <delflag>s list)]

Example AT+CMGD=?

+CMGD:

(0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,2

9,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50),(0-4)

AT+CMGD=11

Delete message in 10th record

AT+CMGD=1,4

Delete all messages

Reference 3GPP TS 27.005

3.5.5.4.5. More Message to Send - +CMMS

+CMMS – More Message to Send

AT+CMMS=[<n>] Set command controls the continuity of SMS relay protocol link.

Multiple messages can be sent much faster as link is kept open.

Parameter:

<n>

0 – Disable (factory default)

1 - Keep link opened while messages are sent. If the delay between two

messages exceeds 3 seconds, the link is closed and the parameter <n>

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DCS WDU models Spécifications Page 163