Need PHP function to generate PDU.

I am currently sending SMS with AT commands in Text mode.

In order to better support concatenated SMS, line breaks, and encodings, I want to switch to PDU mode.

I need a PHP function that will generate PDU to be sent by Asterisk.

Output need to be a JSON array with the PDU generated and part number, and total number of parts.

Maxumum parts is 10. If more than 10 parts, error needs to be returned.

If a mandatory parameter is missing or if parameter has wrong format, error needs to be returned.

Parameters sent:

*Destination number in international format (ie: 14152470402)

*Message – SMS content

Validity Period - in hours (if empty, Default is 72 hours)

Status Report Request - 0 or 1 (if empty, Default is 1)

Response expected:

Status - ok (success) / ok (error with code)

Number of parts - parts in total

Order - order number of each part

PDU (ie: 07912160130300F411000A8158888700890000aa27D3E614D42CCEE7E17319342FBBE920B3FCDD0605A9A0E1) if status is OK

Error reply





Success reply (1 part)




"parts": [

{ "order":1, "pdu":"007100099121436587F90008FF8C05000329030100370033621030EC306E30E9306D662F8868308562266A29306630554EF656F330605B9A590930C430C1629E96C530A85D0E00390038524D30CF51FA5B503053305E3050653F969B7A81307C52367F8E3075305F696D514330A666F8712130EA3073540C7C7330B330DF30BD30E94ED8829D5EA78D85308B307F30B9305C30025DE830D530EC" },



Success reply (3 parts)




"parts": [

{ "order":1, "pdu":"007100099121436587F90008FF8C05000329030100370033621030EC306E30E9306D662F8868308562266A29306630554EF656F330605B9A590930C430C1629E96C530A85D0E00390038524D30CF51FA5B503053305E3050653F969B7A81307C52367F8E3075305F696D514330A666F8712130EA3073540C7C7330B330DF30BD30E94ED8829D5EA78D85308B307F30B9305C30025DE830D530EC" },

{ "order":2, "pdu":"007100099121436587F90008FF8C05000329030230AF65AD82B830A230B530BD53168F2930CC30A230B78EE25C3130B330EF66428A664E2630EA30BD30CF30ED66F84EAC30443081304A80055CA1663C306D30B950AC7D4430AA65B05C5E30FC308F306B304D65995C0630FC72695EB75EFA62D8304B307330B9304830028A6630D830BD30CF30CA5CA179D26B62305A3060307030444E880038" },

{ "order":3, "pdu":"007100099121436587F90008FF5E05000329030300317AF630AD4F7352DD30AF304882B8003375B530C3305C308230508FD1529B304E3084524D97003076305F306430885FF500350031822A30E130A676845171304A8EE299AC30EA30C459D35EA66210520652DF305E3002" }



Function needs to check the message encoding for the DCS. It can be alphabet (GSM 7bit) or languages such as Chinese, Korean, Japanese, Arabic... (UCS2 (16bit))

(*) Mandatory fields


- The PHP function

- PHP script calling the function with parameters and displaying result.

- List of error codes

- List of tests done

Evner: PHP, Software Arkitektur, Asterisk PBX, JSON

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Om arbejdsgiveren:
( 1 bedømmelse ) singapore, Singapore

Projekt ID: #22320910

Tildelt til:


I understand that you need a php function to convert msg into PDU as well as handle serial communication that you are currently doing via AT command. Please confirm my understanding as you have detailed PDU but no deta Flere

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