GM29 INTEGRATOR’S MANUAL
The different alternatives are shown below.
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| Network | Mobile Equipment | External application |
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| 1 | Signal | Sends unsolicited | Result code presentation |
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| result code +CUSD | enabled, presented |
2 | Signal asking | Sends unsolicited | Result code presentation | |
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| for reply | result code +CUSD | enabled, presented |
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| 3 |
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| Answer AT+CUSD |
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| 3b |
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| Sends AT+CUSD |
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| <n> | Description |
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| 0 | Disable result code presentation in the TA | ||
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1 | Enable result code presentation in the TA | |||
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| 2 | Terminate (abort) USSD dialogue. This value is not applicable to | ||
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| the read command response |
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| <str> | Description |
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| string | String type USSD (when <str> parameter is not given, network is not | ||
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| interrogated): |
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| *if TE character set other than “HEX” (refer command Select TE | ||
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| Character Set +CSCS): ME/TA converts GSM alphabet into | ||
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| current TE character set according to rules of | ||
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| GSM 07.05 Annex A |
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Example 1 |
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| AT Command | Result Code | Description | |
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| AT+CUSD=1,“*34#” |
| Enable the Result Code | |
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| presentation in the TAE |
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| and send a USSD- |
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| request |
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| +CUSD:1,“id code” OK | Further user action |
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| required, give id code |
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| AT+CUSD=1,“7465338” |
| Id code given | |
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| +CUSD:0 OK | No further user action |
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| required |
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LZT 123 7361 R1A
