Callfilter(4bnu)

Callfilter -- incoming call filtering

Synopsis

/etc/ics/callfilter

Description

The /etc/ics/Callfilter file contains information regarding the caller permissions required to invoke an incoming call service.

All entries must contain the following two fields in the order shown. Blank lines, and lines that begin with white space, a tab, or a hash sign (#) are ignored.

The fields in the Callfilter file are defined, in order, as follows:

``Phone''

A colon-separated list of telephone numbers.

``Service''

The service type can be one of:

acu: data over a modem
acu_fax: fax over a modem
isdn_sync: synchronous data over ISDN
isdn_async: asynchronous data over ISDN (V120 mode)
isdn_fax: fax over ISDN
isdn_voice: voice over ISDN
isdn_video: video over ISDN

Files

/etc/uucp/Devices
/etc/uucp/Systems
/etc/ics/Callfilter
/etc/ics/Callservices

Examples

   # /etc/ics/Callfilter example
   #
   6751:6752:6753	acu
   0123412345	isdn_sync

In the above example, a caller on any of the numbers 6751, 6752 and 6753 has permission to send data over a modem. The caller on 0123412345 can use a synchronous service over ISDN.

References

Autoacts(4bnu), Callservices(4bnu), Devices(4bnu), Systems(4bnu), ttymon(1M)