Intel 537EX - Manual (Page 22)

22 536EX Chipset Developer’s Manual
Intel Confidential
AT Command Summary Tables
Note: See the complete command description in the 536EX Developer’s Manual for range information.
Table 9. IS-101 Voice Command Summary
Command Function Default Range Reported by &Vn
+FCLASS=8 Voice mode selection 0 0, 1, 8 no
+FLO=m Flow Control Select 1 0–2 no
+VBT=m Buffer threshold setting 192, 320 192, 320 no
+VCID=m Caller ID selection 0* 0–2 no
+VDR=m Distinctive Ring selection 0,0
0–255,
0–255
no
+VEM=m Event reporting and masking
‘C’
BB860980
BFE63883
BB863EE0
– no
+VGM=m Speakerphone microphone gain 128 121–131 no
+VGR=m Receive gain selection 128 121–131 no
+VGS=m Speakerphone speaker gain 128 121–131 no
+VGT=m Volume selection 128 121–131 no
+VIP Initialize parameter – – no
+VIT=m DTE/DCE inactivity timer 0 0–255 no
+VLS=m Hardware type control 0 0–15 no
+VNH=m Automatic hang-up control 0 0–2 no
+VRA=m Ringback-goes-away timer 50 0–50 no
+VRN=m Ringback-never-appeared timer 10 0–255 no
+VRX Record mode none – no
+VSD=m Silence detection (quiet and silence) 128, 50 See note no
+VSM=m Compression method selection 140, 8000, 0, 0 See note no
+VSP=m Speakerphone on/off control 0 0, 1 no
#VSPS=m Speakerphone type selection 1 0, 1 no
+VTD=m Beep tone duration timer 100 5–255 no
+VTS=m DTMF and tone generation none See note no
+VTX Play mode none – no
* The noted parameters, commands, and responses depend on the capability to receive.
Table 10. Voice DTE
→
DCE Character Pairs
Response Hex Code Function
00 Do nothing
10 Two contiguous codes indicate a single in the data stream
1A in data stream
03 End transmit data state
/ 2F Start of DTMF tone shielding