When Used At The Remote End Connected To A Vortex Device; Initialization String - Polycom Vortex EF2241 Application Note

SD: Send Data. Blinks when modem sends data to phone line.
OH: Off Hook. On when modem is off hook. This does not indicate the
presence of loop current or the presence of a successful connection.
RI: Ring Indicator. If flashing, modem is receiving an incoming call. If solid,
modem is receiving power.
W U R E C
HEN SED AT THE EMOTE ND ONNECTED TO A
V
ORTEX DEVICE
I S
NITIALIZATION TRING
Here is the initialization string that should be stored in the Vortex device:
ATE0Q1V0S0=2&D0&K3&W0&Y0
AT: Required command prefix to get modem's attention
E0: Disable echo to the Vortex device
Q1: Disable modem from sending result codes.
V0: Display result codes as numbers
S0=2: Modem answers incoming call after two rings
&D0: Modem ignores DTR and turns DTR LED on always
&K3: Enables RTS and CTS
&W0: Store current configuration in Profile 0 of Modem NVRAM
&Y0: Recall Profile 0 upon modem power-up
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