Operational, Basic, and Advanced Parameters
A-28
41-001160-01, Rev 00, Release 2.3
IP Phone Administrator Guide
Parameter
–
sip nat rtp port
NAT RTP Port
(in Phone UI and Web UI)
IP Phone UI
Options->Administrator Menu->
SIP Settings->RTP Port Base
Aastra Web UI
Advanced Settings->Network->
Advanced Network Settings
Configuration Files
aastra.cfg, <mac>.cfg
Description
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.
Note:
The phones support decoding and playing out DTMF tones sent
in SIP INFO requests. The following DTMF tones are supported:
•
Support signals 0-9, #, *
•
Support durations up to 5 seconds
Format
Integer
Default Value
51720
Range
Not Applicable
Example
sip nat rtp port: 51730
Parameter
–
sip nortel nat support
Nortel NAT Traversal
Enabled
(in Web UI)
IP phone UI
Options->Administrator Menu->SIP Settings
Aastra Web UI
Advanced Settings->Network
Configuration Files
aastra.cfg, <mac>.cfg
Description
Enables or disables the phone to operate while connected to a network
device that enforces NAT.
Format
Integer
Default Value
0 (disabled)
Range
0 (disabled)
1 (enabled)
Example
sip nortel nat support: 1
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