MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD 133
Terminal Adapter AT Commands & S-Registers
default S56=128, which means no Calling Party Number IE is sent.
S57 Called Party Number IE Settings
(applies to NET3 [!C0=2] switch type only)
Unit: decimal ASCII code
Range: 128 Disable
Type of Number
0 Unknown,
16 International
32 National
48 Network specific
64 Subscriber
96 Abbreviated
Numbering Plan
0 Unknown
1 ISDN/telephony
3 Data
4 Telex
8 National standard
9 Private
Default: 128 (disabled)
Modifies the value of Octet 3 of the Called Party Number Information
Element that is sent within the SETUP message for a data call and within
each INFORMATION message that is sent when dialing from the POTS
port. To set a specific number type and numbering plan, select an option
from the Type of Number section above and add its value to the value of an
option in the Numbering Plan section above. For example, a National/
ISDN Called Party Number IE would be S57=33, where 32 (National) + 1
(ISDN/telephony) = 33 (National/ISDN). By default S57=128, which means
no Called Party Number IE is sent.
S75 Maximum V.110 Buffer Size
Unit: 1 byte
Range: n=0 (256 bytes),
n=64-255
Default: 0 (256 bytes)
S75 allows the maximum V.110 buffer size to be customized. An adjustable
packet size can provide higher compatibility with devices that cannot handle
a large delay. Reducing the V.110 buffer size reduces delay.