WorldPhone Liberator – Chapter 5. Appendices
C-13
AT +WTTL =
[<
low
>] [
,
<
high
>]
ç
sets the lower
and upper threshold level in bytes of the buffer used in the
WORLDPHONE-to-Net service provider direction
(
WorldPhone transmit buffer
).
AT +WTTL ? ç
displays selected threshold levels.
AT WTTL =? ç
displays available threshold levels.
The
low
parameter specifies the lower threshold at which
point the WorldPhone ASD should issue an XON, or raise
the CTS line signalling that it is ready to receive data from
the PC:
Valid value: 0-511
Default value: 120
The
high
parameter specifies the upper threshold at
which point the WorldPhone ASD should issue an an
XOFF, or lower the CTS line signalling that it is not ready
to receive data from the PC:
Valid value: 1-512
Default value: 240
Note! The high value must be larger than the low value.
When the high value is omitted, it becomes low value +
120.
AT +WXR =
[n]
ç
determines the format of a CONNECT response from the
WorldPhone ASD.
AT +WXR ? ç
displays selected format.
AT +WXR =? ç
displays available formats.
Format reference number
n
:
0
= CONNECT <
see below
*
>
AT commands cont’d
Appendix C – AT commands cont’d
