User`s guide

AT Commands and S-Registers
4-253821-A2-GB20-40 January 1999
Table 4-2
(10 of 10)
3821
Plus S-Registers
S91 – Cellular Enhancement
Valid only if ETC is installed. Register determines whether parameters are set to improve performance over a cellular link.
Should be enabled when the remote modem is using a cellular connection.
Register has the following values:
0 = Disable
1 = Enable
Factory setting is Disable.
S93 – RJ11 Cellular Adapt
Valid only if ETC is installed. Register controls support for an RJ11 connection, including generation of the ETC 1.1
Calling Tone during call origination.
0 = Disable
1 = Enable
Factory setting is Disable.