AT Command Reference
80-99208-1 Rev. D 6-31

DTMF Tone Duration and Spacing (S11)

Syntax
S11{=<value>|?}
Description
Specifies the duration and spacing, in milliseconds, of DTMF
tones while dialing a valid n umber.
This parameter is valid only for asynchronous data se rvices.
It is sent to the Gateway IWF modem if different from the
default value but is otherwise not used by the mo dem.
Valid Va lue( s)
Missing Parameter Default Value(s)
N/A
Power-On/Reset Default Value(s)
Results Returned
See Table 6-4 on page 6-24 for result code details.
Globalstar-Specific S-Register Extensions
This section defines the GSP-1620 modem-specific S-register
extensions for the modem and their function ality.

Silent Retry Timeout (S777)

Syntax
S777{=<value>|?}
Description
Represents the duration of the “call origination silent retry
timer.” This specifies the amount of time (in seconds) the
modem will attempt to originate a call before giving up and
performing reacquisition of the Globalstar system.
50-255 Number of milliseconds of delay
95 milliseconds