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CX06833-3 View Datasheet(PDF) - Conexant Systems

Part Name
Description
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CX06833-3
Conexant
Conexant Systems Conexant
CX06833-3 Datasheet PDF : 78 Pages
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2.12
2.13
2.14
CX06833-3x/4x SMXXD Modem Data Sheet
Voice-call-first (VCF) before switching to a videophone call is also supported.
Full-Duplex Speakerphone (FDSP) Mode (S Models)
The modem operates in FDSP mode when +FCLASS=8 and +VSP=1 (Section 2.10.7).
In FDSP Mode, speech from a microphone or handset is converted to digital form,
shaped, and output to the telephone line through the line interface circuit. Speech
received from the telephone line is shaped, converted to analog form, and output to the
speaker or handset. Shaping includes both acoustic and line echo cancellation.
Caller ID
Both Type I Caller ID (On-Hook Caller ID) and Type II Caller ID (Call Waiting Caller
ID) are supported for U.S. and many other countries (see Section 2.14). Both types of
Caller ID are enabled/disabled using the +VCID command. Call Waiting Tone detection
must be enabled using the +PCW command to detect and decode Call Waiting Caller ID.
When enabled, caller ID information (date, time, caller code, and name) can be passed to
the DTE in formatted or unformatted form. Inquiry support allows the current caller ID
mode and mode capabilities of the modem to be retrieved from the modem.
Type II Caller ID (Call Waiting Caller ID) detection operates only during data mode in
V.92, V.90, V.34, V.32bis, or V.32.
Worldwide Country Support
Internal modem firmware supports 29 country profiles (see Section 1.3.2). These country
profiles include the following country-dependent parameters:
Dial tone detection levels and frequency ranges.
DTMF dialing parameters: Transmit output level, DTMF signal duration, and DTMF
interdigit interval.
Pulse dialing parameters: Make/break times, set/clear times, and dial codes are
programmable
Ring detection frequency range.
Type I and Type II Caller ID detection are supported for many countries. Contact
your local Conexant sales office for additional country support.
Blind dialing enabled/disable.
Carrier transmit level (through S91 for data and S92 for fax). The maximum,
minimum, and default values can be defined to match specific country and DAA
requirements.
Calling tone is generated in accordance with V.25. Calling tone may be toggled
(enabled/disabled) by inclusion of a “^” character in a dial string. It may also be
disabled.
Frequency and cadence of tones for busy, ringback, congested, warble, dial tone 1,
and dial tone 2.
Answer tone detection period.
2-10
Conexant
102228A
 

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