Multitech MULTIMODEM MT5600ZDX Owner's Manual page 61

Register Unit
S46
decimal
S48
decimal
Chapter 3 - AT Commands, S-Registers and Result Codes
Range Default
136 or 138
0, 7, 128 7
Table 3-3. V.42 Negotiation Action
Description
138 Controls selection of compres-
sion. S46 = 136 means execute
error correction protocol with no
compression. S46 = 138 means
error correction protocol with com-
pression (default).
Determines the remote modem's
V.42 negotiation capabilities. If the
remote modem's capabilities are
known, this process can be by-
passed. S48 = 0 means to disable
negotiation; bypass the detection/
negotiation phases; and proceed to
LAPM. S48 = 7 means to disable
negotiation (default). S48 = 128
means to disable negotiation; by-
pass the detection/negotiation phas-
es; and proceed at once with the
fallback action specified in S36. The
following table lists configuration
settings necessary to negotiate cer-
tain types of connections.
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