ET-747 IP Phone User Manual
4.3.3.2 Reg
To:
P messages. Should left this
empty unless for very specific system.
4.3.3.3 Reg
Expire:
Modify the value “Expires:” field in the SIP/SDP messages. This
will control the re-registration period.
4.3.3.4 Min Media Port :
The minimum value of the range of the transmitted RTP packet’s port.
4.3.3.5 Max Media Port :
The maximum value of the range of the transmitted RTP packet’s port.
4.3.3.6 Codec
:
The type of the Codec of the transmitted RTP packets. In SIP call
process, the type of Codec negotiated is determined by the called party.
Modify the “To:” field in the SIP / SD
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