Aastra 9143i Series Administrator's Manual page 812

IP Phone Administrator Guide
Operational, Basic, and Advanced Parameters
Parameter –
sip nat rtp port
NAT RTP Port
(in Phone UI and Web UI)
Description
Format
Default Value
Range
Example
Parameter –
sip nortel nat support
Nortel NAT Traversal
Enabled
(in Web UI)
Description
Format
Default Value
Range
Example
A-32
IP Phone UI
Aastra Web UI
Configuration Files
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
Integer
51720
Not Applicable
sip nat rtp port: 51730
IP phone UI
Aastra Web UI
Configuration Files
Enables or disables the phone to operate while connected to a network
device that enforces NAT.
Integer
0 (disabled)
0 (disabled)
1 (enabled)
sip nortel nat support: 1
Options->Administrator Menu->
SIP Settings->RTP Port Base
Advanced Settings->Network->
Advanced Network Settings
aastra.cfg, <mac>.cfg
Options->Administrator Menu->SIP Settings
Advanced Settings->Network
aastra.cfg, <mac>.cfg
41-001160-03 Rev 00, Release 2.5