Aastra 9143i Series, Administrator'S Manual

Page: 138 / 1140

Administrator Level Options
3-46 41-001160-04 Rev 02, Release 2.5
IP Phone Administrator Guide
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 4-35 .
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 4-32 .
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 4-32 .
N/A Rport (RFC 3581) sip rport Allows you to enable (1) or disable
(0) the use of Rport on the IP
phone.
“Rport” in RFC 3581, allows a client
to request that the server send the
response back to the source IP
address
and the port from which the
request came.
For more information, see Chapter
4,
“RPORT” on page 4-65 .
Parameter In
IP Phone UI
Parameter in
Aastra Web UI
Parameters in
Configuration Files
Description