2 class1 global – FaxBack NET SatisFAXtion 8.6 - Manual User Manual

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4 – Appendices

NET SatisFAXtion 8.6 Manual

208

setting, but you can set the default for all devices by specifying this under the
global ICANFax section. Format: Comma separated list of

FAX_IN

and

FAX_OUT

,

or

disabled

. Default:

FAX_IN, FAX_OUT

.

4.2.1.2

Class1 Global

frs_20_timeout_msecs [dword 0–65535]: How many milliseconds to wait
for

AT+FRS=20

to complete. This only applies if the

software_frs_20_msecs = 0

.

Default:

500

.

fts_8_timeout_msecs [dword 0–65535]: How many milliseconds to wait for

AT+FTS=8

to complete. Default:

500

.

no_frame_checksum [boolean]: If

true

then modem will not return CRC

checksums in receive T30 frames. There was once a modem (AT&T Paradyne?)
that would not report the 2 CRC bytes for received T.30 frames (

at+frh=3

). This

lack of CRC bytes could cause the driver grief in knowing how much data to
actually process in the frame (i.e. receive CSI would lose 2 chars because the
driver assumes the last 2 bytes are CRC bytes). Default:

false

.

pause_before_frh_msecs [dword 0–65535]: Some modems would not be
able to understand the

AT+FRH=3

command if a slight pause is not inserted

following a previous response or command. Since this is usually a very small
delay, this was previously implemented in 16 bit as a software timing loop
because one clock tick (54ms) was too long to wait. NT has a min of 10ms clock
interrupt timing, so this may cause problems and the driver may need to be
modified to use a software delay timing loop. Default:

20

.

receive_frame_response_timeout_msecs [dword 0–65535]: How long to
wait for modem response (

OK

,

+FCERROR

,

NO CARRIER

...) after receiving a DLE/ETX

terminated frame. Default:

3000

.

receive_v34_image_modulation_timeout_msecs [dword 0–65535]:
How long to wait without receiving any image data before canceling the
reception of image data when doing v.34 fax receive. This is quite different than
the

receive_image_modulation_timeout_msecs

because the modem is

responsible for removing flags and bit stuffing and it may be that the sending
unit can add up to 35 seconds of flags between ECM frames so as to allow for
send flow control. It is valid and has been witnessed that the class1 driver might
not receive any data for several seconds due to the sender scanning latency.
Default:

35000

.

send_frame_response_timeout_msecs [dword 0–65535]: How long to
wait for modem response after sending frame data. Default:

90

.

software_frs_20_msecs [dword 0–65535]: How long to wait when switching
the modulation from receive to transmit. If this is set to 0, then

AT+FRS=20

will be

used. Default:

300

.

star t_receive_image_timeout_msecs [dword 0–65535]: How long to wait
for modem response after sending

AT+FRM=<mod>

command to start receive

training/image data. Default:

3000

.

star t_send_image_timeout_msecs [dword 0–65535]: How long to wait for
modem response after sending

AT+FRM=<mod>

command to start send

training/image data. Default:

3000

.

t1_seconds [dword 0–65535]: T.30 T1 timer. Default:

35

.

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