Table 4: AT+ (Plus) Commands
Command | Option | Description |
|
|
|
| 2 | Initiating MRd |
|
|
|
| 3 | Initiating Cre, low power |
|
|
|
| 4 | Initiating Cre, high power |
|
|
|
| 5 | Initiating Crd |
|
|
|
| 6 | Initiating Esi |
|
|
|
| 7 | Responding MRd, low power |
|
|
|
| 8 | Responding MRd, high power |
|
|
|
| 9 | Responding CRd |
|
|
|
| 10 | Responding ESr |
|
|
|
| b options: | Specifies V.8bis Transmit Message 1 |
|
|
|
|
| hexadecimal octet coded string |
|
|
|
| c options: | Specifies V.8bis Transmit Message 2 |
|
|
|
|
| hexadecimal octet coded string |
|
|
|
| d options: | Specifies V.8bis signal detection |
|
|
|
| 0 | Enable detection of initiating V.8bis signal |
|
|
|
| 1 | Enable detection of responding V.8bis signal |
|
|
|
| 2 | Enable detection of both V.8bis signals |
|
|
|
| e options: | Specifies V.8bis message detection |
|
|
|
| 0 | Disable detection |
|
|
|
| 1 | Enable detection |
|
|
|
| f options: | Specifies the V.8bis message delay |
|
|
|
| 0 | No delay between transmitting signal and messages |
|
|
|
| 1 | 1.5 second delay between transmitting signal and |
|
| any message |
|
|
|
+DR |
| Data Compression (DC) Reporting |
|
|
|
| +DR=0 | Disabled |
|
|
|
| +DR=1 | Enabled |
|
|
|
+DS |
| Data Compression Control |
|
|
|
| +DS=p,q,r,s |
|
|
|
|
| p options: | Specifies compression on/off direction |
|
|
|
| 0 | No compression |
|
|
|
| 1 | Tx direction only |
|
|
|
| 2 | Rx direction only |
|
|
|
| 3 | Both directions; accept any direction |
|
|
|
| q options: | Specifies negotiation |
|
|
|
14
