
Always On / Dynamic ISDN AT Commands
| AT!X25=n | Specify Number of Logical Connection Numbers. Note that the number of Logical | 
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 | Connection numbers affects the range ofAT!X21. SeeAT!X21. | 
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 | Range:  | 
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 | Default: 1. | 
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| AT!X26=n | Specify Type of User Data for X.25 Call Request Packet. Specifies the type of user | 
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 | data for X.25 call requests. Normally, the value of this parameter should be left to the | 
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 | default CF (PPP over X.25). If your switch doesn't recognize CF, you won't be able to | 
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 | connect; if this is the case you should set the value to nothing (AT!X26= ). | 
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 | Default: CF (PPP over X.25). | 
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