
Alphabetical List of Supported AT Commands
| AT!V3=n | V.110 Parity (International version only) | 44 | 
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| AT!V4=n | V.110 Stop Bits (International version only) | 44 | 
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| AT!V5=n | V.110 Flow Control (International version only) | 44 | 
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| AT!X1=n | Specifies the X.25 version you are using. | 49 | 
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| AT!X2=n | Specifies the X.25 DTE address. | 49 | 
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| AT!X3=n | Specifies the X.25 facilities that are to be included each time a call is made. | 49 | 
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| AT!X4=n | Specifies the local ISDN prefixes to be used. | 49 | 
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| AT!X5=n | Specifies the X.25 default window size. | 49 | 
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| AT!X6=n | Specifies the X.25 maximum window size | 50 | 
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| AT!X7=n | Specifies the X.25 default packet size | 50 | 
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| AT!X8=n | Specifies the X.25 maximum packet size | 50 | 
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| AT!X9=n | Specifies the Terminal Endpoint Identifier used for X.25 over the  | 50 | 
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| AT!X10=n | Specifies the delay before opening 1st  | 50 | 
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| AT!X11=n | Specifies the 1st  | 50 | 
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| AT!X12=n | Specifies the 1st  | 50 | 
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| AT!X13=n | With BACP disabled, specifies the 2nd  | 47 | 
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| AT!X13=n | With BACP enabled, specifies the delay before opening 2nd  | 51 | 
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| AT!X14=n | Specifies the 2nd  | 51 | 
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| AT!X15=n | Specifies the 2nd  | 51 | 
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| AT!X16=n | Strips the area code from phone numbers. | 51 | 
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| AT!X17=n | Specifies the X.25 transmit queue threshold. | 51 | 
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| AT!X18 | Set Normal Mode for Bandwidth on Demand. | 52 | 
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| AT!X19 | Set Economy Mode for Bandwidth on Demand. | 52 | 
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| AT!X20 | Set Performance Mode for Bandwidth on Demand. | 52 | 
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| AT!X21=n | Specifies the Lowest Logical Connection Number. | 52 | 
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| AT!X22=n | Specifies whether the AO/DI feature is enabled or disabled. | 52 | 
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| AT!X25=n | Specifies how many Logical Connection Numbers (LCN) are used. | 53 | 
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| AT!X26=n | Specifies the contents of the user data field in the X.25 Call Request packet. | 53 | 
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| AT!X56=n | Delay between 64K data call failure and 56K data call attempt. | 35 | 
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