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Tip
YoucanalsoprogramcertainvoiceandfaxoptionsforyourdeviceusingPOTS(PlainOld
TelephoneSet)commandsonyourphone.Pleaseseethereferencecardthatwaspackaged
withyourdevicefora listofavailablePOTScommands.
Note
YourSX7TalsoallowsCircuitSwitchedData(2G)accessacrosstheGSMnetworkviatheRJ-11
connectionsontheunit.CSDconnectionscanbeusefulformachine-to-machine
communications,forexample,whenusinghyperterminaltosendafilefromonePCtoanother.
YourCSDoptionsareaccessedviathe
PSTNprogrammingpages,alongwithyourvoiceandfax
options.
POTS Setup
Normal Dialtone
Select a dialtone frequency based on region:
350Hz +440Hz – North American standard (default).
425Hz – European standard.
POTS Coarse Volume
Adjusts phone volume in large increments (Low,
Normal, or High).
Line Ring Frequency
Audible ring pitch for an incoming call: 20Hz (low),
25Hz (medium), 50Hz (high) (20Hz is default).
Line Impedance
Select setting to match phone (600 ohms is default).
Disconnect Pulse Duration
Carrier tone sent to inform the unit a call has been
disconnected (700 ms is default).
Caller ID Mode
Select a Caller ID signal format based on region:
Bellcore (North America), Euro (Europe), UK (United
Kingdom), or select DTMF to use a tone-based signal.
Caller ID Format
Provides Caller ID options, depending on carrier and
regional capabilities. MDMF (Multiple Data Message
Format) allows multiple data types to be sent with Caller
ID, such as name, phone number, location, etc.; SDMF
(Single Data Message Format) allows only a single data
type to be sent (phone number).
Caller ID Type
Sets the Caller ID type for the SX7T:
During Ring (default)
DT-AS (Dual Tone Alerting System)
RP-AS (Ring Pulse Alerting System)
LR, RP-AS (Line Reverse, Ring Pulse Alerting System)
Line Ring Format
Standard ring cadences by region (US, UK, Europe)
(Off is default).
DTMF Blanking
[advanced]
Metering Pulse Gain
[advanced]
Voice and Fax Options (SX7T Only)
Wi PATH
TM
SX7 21 User Guide