1. INTRODUCTION TO AT COMMANDS

<err>

Description

 

 

321

Invalid memory index

 

 

322

Memory full

 

 

330

SMSC address unknown

 

 

331

No network service

 

 

332

Network time-out

 

 

340

No +CNMA acknowledgment expected

500

Unknown error

 

 

- 511

Other values in range 256 - 511 are reserved

 

 

512-

Manufacturer specific

 

 

1.4 Examples on How to Use the AT Commands

After every group of AT commands there is a section where some of the more complicated commands are exemplified. For a detailed description of the command in question (valid parameter values, AT command syntax and Response syntax) you are recommended to see its own descriptive section.

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Standard Horizon GM29 manual Examples on How to Use the AT Commands