SI2493-D-FS Silicon Laboratories Inc, SI2493-D-FS Datasheet - Page 210

• Manufacturer Part Number: SI2493-D-FS
• Description: IC ISOMODEM SYSTEM-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2493-D-FS

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

AN93
7.6.4.2. Interrupted Answer – OGM Playback with DTMF Menu Entry
The procedure listed in Table 132 uses a remote-access password of 1234. DTMF decoding is asynchronous. The
host voice driver will need to employ a timer or timestamp to validate the consecutive DTMF digits that comprise
the remote password.
210
Host to Modem Commands / Data
Table 131. TAM PSTN Normal Answer – OGM Playback with ICM Record (Continued)
Table 132. TAM PSTN Interrupted Answer – OGM Playback with DTMF Menu Entry
AT+VTS=[700,500,80]
AT+VTS=[700,500,80]
AT+VTS=[700,500,80]
AT:U199&FFF7
AT+VGR=128
AT+VLS=14
AT+VLS=0
AT:U0B5,0
AT:U199|2
AT:U199|8
NAME=JONES JENNIFER
Modem to Host Result
Codes/Data
DATE=0101
NMBR=102
TIME=0110
<DLE><R>
<DLE><X>
<DLE><R>
<DLE><R>
<DLE><.>
CIDM
Rev. 1.3
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
Ring Detection
Play local ring tone.
Receive Type I CID DLE complex report.
Ring Detection.
Play local ring tone.
Ring Detection. The voice driver will use a
rings-to-answer count. This example uses
three rings before answer.
Play local ring tone.
Mute the speaker so the OGM is not heard
locally. The user may remove this com-
mand to allow local review.
Set the DAA-to-RS232 receive gain regis-
ter (UBF) for TAM PSTN.
Disable DAA-to-Si3000 receive gain path.
This ensures line events such as CID and
ring tone are not heard via the codec.
Mute the microphone.
Enable speaker for local ring tone/alert
tones.
Disable voice mode. Used as a transition
point between non-zero +VLS voice
modes. This will hang-up the call.
Setup on-hook TAM voice mode. See
Table 117 on page 190 for details.
Local Modem Actions