| Serial asynchronous automatic dialling and control |
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This Recommendation defines commands and responses for use by a DTE to control a V-series DCE using serial data interchange over an asynchronous interface. It contains four elements:
– codifies existing practice in common GSTN-DCE that use the ATtention (AT) command set;
– defines a format for orderly extension of the AT command set;
– provides a set of standardized extensions for common functions to identify the DCE, to control the DTE-DCE interface, and to control DCE-DCE protocols (signal conversion, error control and data compression);
– provides a mapping for these commands into V.25 bis frame format for use with DCEs employing synchronous serial interfaces.
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| Citation: |
https://handle.itu.int/11.1002/1000/4661 |
| Series title: |
V series: Data communication over the telephone network
V.250-V.299: Control procedures |
| Approval date: |
1999-05-27 |
| Provisional name: | V.at |
| Approval process: | TAP |
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Status: |
Superseded |
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Maintenance responsibility: |
ITU-T Study Group 21 |
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Further details: |
Patent statement(s)
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