PLANET PoE IP Phone User
’
s Manual
24
Advanced Setting:
•
Reg
From
: Modify the
“
From:
”
field in the SIP/SDP messages. Should left this empty
unless for very specific system.
•
Reg
To
: Modify the
“
To:
”
field in the SIP/SDP messages. Should left this empty
unless for very specific system.
•
Reg
Expire
: Modify the value
“
Expires:
”
field in the SIP/SDP messages. This will
control the re-registration period.
•
RTP
Port
(
Starting
): the starting port number used in the PoE IP phone voice
transmission port..
•
RTP
Port
(
Ending
): the ending port number used in the PoE IP phone voice
transmission port.
•
Codec
: voice codec used to encode the voice packets. In SIP communications, the
called party determines the type of voice codec used in conversation.
4. Phone Configuration
Please browse to the
“
Phone
configuration
”
on the left menu, following page will be displayed for
phone call and voice codec related configurations.
Prefix Setting:
This parameter is used to setup the calling prefix string.
For some specific VoIP system, the IP Phone can call to PSTN/mobile number and the
called number must include the country code, e.g. the country code of Taiwan is 886, so
