Reference Guide for the Model XM128 ISDN Digital Modem
Data Call Indication
Data calls are accepted by the Model XM128 modem in the same way as with any terminal adapter. When alerting, the Model XM128 modem sends the first Ring message to the DTE with a format as follows:
RING <CR><LF>
RING <CR><LF>
The display of address information between the first Ring and the second Ring is disabled by setting ATS84.4=1. The term Prefix is a predefined number string is added in front of the
•ATCI<Prefix>
When and only when the type of number denotes an international number, this "Prefix" is added to the
•ATCI<>
This command disables the international number
•ATCN<Prefix>
When and only when the type of number denotes a national number, this "Prefix" is added to the
•ATCN<>
This command disables the national number
Note: The angle brackets (<) and (>) are part of this command.
Disable Inbound Call Connection
In some cases, the user may require that the Model XM128 modem not answer any incoming calls. This response is accomplished by setting the bit 0 of
•S118.0=0 to enable answering a call (by d efault)
•S118.0=1 to disable answering any call
Advanced ISDN |