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Android SMS Gateway Scenario 993: Field service MMS attachments in practice

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Android SMS Gateway Scenario 993: Field service MMS attachments in practice. Scenario-based article #993 combining vertical and feature contexts under hub E. Must stay unique via specific workflow and failure case. Priced by devices and SMS send volume; BYO phone and operator credit.

Written by the SMS Gateway team for operators who run phones and airtime themselves — not for theoretical cloud SMS demos.

InformationAndroid SMS GatewayScenarioHub E
Article
Published
May 1, 2025
Updated
June 13, 2025
Reading time
16 minute read

Key Takeaways

  • Scenario 993 is solar inverter / string commissioning MMS — not standby generators, utility-trim cuts, septic lids, HVAC stickers, irrigation valves, roof IR squares, elevator plaques, extinguisher tags, scaffold cards, meter dials, hazmat bags, LOTO, night keys, storm claims, or closeout selfies.
  • A cropped string label and inverter screen are the payload. Do not MMS the house, plates, or neighbor yards.
  • Read MMS and “we commissioned” SMS must not share a radio with portal OTP or a “add a battery” blast.
  • Priced by devices and SMS send volume. You use your own phone and operator SMS credit. Free is 1 / 300 / 300. Developer is 25,000 SMS per year.
  • Operator MMS is usually dearer than SMS. Budget interconnect weeks separately.
  • REST attachment fields live in Developer Center — not a CodeCanyon solar add-on. MCP, if you use it, is only a REST wrapper.

Summary

Scenario 993 is field MMS for solar inverter string commissioning. The work order owns the string id. The Android sends a cropped label so the desk can close interconnect. Priced by devices and SMS send volume. You use your own phone and operator SMS credit.

If the only proof of the string is an MMS the APN dropped, you do not have interconnect. You have another verbal “it produced.”

Inverter string commissioning

Attach the string id in the worker. MMS on your SIM · MMS API usage. Fields: Developer Center. Industry notes: GSMA.

Who sees the image

AudiencePayloadChannelDevice
Desk / fileCropped label + screenMMS or HTTPSCommission pool
Site contact“STR-3 commissioned” SMSSMSDispatch if separate
Portal loginOTPSMSDedicated OTP phone

Crop the string label

Resize in the worker. Re-test APN after SIM swap. Field-service guide · two-way.

Cost

Priced by devices and SMS send volume. You use your own phone and operator SMS credit. Free: 1 device, 300 SMS lifetime, 300 contacts. Developer: 25,000 SMS per year. Paid plans uncap platform volume; devices still meter. Pricing.

Ops

Desk radio charged. Spare before an interconnect week. Doze · setup.

Security

Roof photos leak addresses. Trust Center. Battery-upsell SMS needs STOP elsewhere. STOP.

Checklist

  • Crop policy: label + inverter screen only.
  • Max bytes in the worker.
  • APN canary on the live SIM.
  • OTP isolated.
  • MMS airtime for interconnect week.

Next steps

Field-service compliance · SMS API documentation.

Related product pages

Jump to the live product docs for this topic—not another long-form article.

FAQ

Frequently asked questions

Direct answers about android sms gateway open source scenario 993.

Can we MMS the whole roof so QA “has context”?

No. Crop to the string label and inverter screen. Extra background is a property photo you did not mean to take.

Does solar MMS include carrier credit?

No. You pay operator MMS. We meter devices and platform send volume.

Is Free enough for an interconnect week?

Free is 300 SMS lifetime on 1 device. Prove one string shot, then use a paid device/volume plan.
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