Aastra Telecom SIP 57I - Manual (Page 94)

Administrator Level Options
3-36 41-001160-00, Release 2.1, Rev 04
IP Phone Administrator Guide
Administrator Options
NAT RTP Port NAT RTP Port sip nat rtp port Indicates the port through which the
RTP packets are sent. This value
must specify the beginning of the
RTP port range on the gateway or
router.
The RTP port is used for sending
DTMF tones and for the audio
stream. Your network administrator
may close some ports for security
reasons. You may want to use this
parameter to send RTP data using a
different port.
For more information, see Chapter
4,
“Configuring NAT Address and
Port (optional)” on page 4-21 .
Nortel NAT Nortel NAT Traversal
Enabled sip nortel nat support Enables or disables the phone to
operate while connected to a
network device that enforces NAT.
For more information, see Chapter
4,
“Configuring Nortel NAT
(optional)” on page 4-18 .
N/A Nortel NAT Timer
(seconds) sip nortel nat timer The interval, in seconds, that the
phone sends SIP ping requests to
the Nortel proxy.
For more information, see Chapter
4,
“Configuring Nortel NAT
(optional)” on page 4-18 .
Parameter In
IP Phone UI
Parameter in
Aastra Web UI
Parameters in
Configuration Files Description