Chapter 4: Web Configuration Do NOT send My Phone Number:
This item allows that the caller’s ID or
name not to be sent to the receiver.
Please check this item to enable this
function.
Send telephone events via:
There are three ways for you to send
the telephone events. Choose one
(Voice Codec (Inbound), RFC2833,
INFO Method) according to the
information provided by your ISP for
sending the events.
It is a computer program that compresses/decompresses digital audio data
according to a given audio file format or streaming audio format.
Preferred Audio Codec:
There are six options for you to
choose. Each one represents different
compression function for the audio
data. Select one to match your
requirement according to the
information provided by your ISP. If
you choose Auto, the system will
choose a proper one for you. It is
recommended to choose Auto if you
don’t know how to select.
After finished settings, click Apply for
activation.
PSTN Control PSTN means Public Switched Telephone Network. It is one kind of telephone
system which uses the copper cable to transmit analog sound. PSTN is also known
as POTS (Plain Old Telephone System).
This page allows you to change the prefix digits to dial one PSTN phone call. If your
device is on the PSTN mode, it is not necessary for you to set the prefix digits for the
PSTN phone calls.
Conditions for the PSTN
The following conditions indicate that the VoIP phone has been changed to PSTN
mode:
z while the IAD is powered off
z while the IAD cannot register with or reach the SIP Server
z while user dials prefix digits
z while user dials PSTN phone numbers including emergence call (FXO function,
refer to the section of “Definition of FXS and FXO”)
z while PSTN call incoming