Aastra Telecom 41-001343-02 User Manual
Operational, Basic, and Advanced Parameters
A-25
41-001343-02 REV04 – 05.2014
Network Address Translation (NAT) Settings
Parameter –
sip nat ip
sip nat ip
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
aastra.cfg, <model>.cfg, <mac>.cfg
Description
IP address of the network device that enforces NAT.
Format
IP Address
Default Value
0.0.0.0
Range
Not Applicable
Example
sip nat ip: 192.245.2.1
Parameter –
sip nat port
sip nat port
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
aastra.cfg, <model>.cfg, <mac>.cfg
Description
Port number of the network device that enforces NAT.
Format
Integer
Default Value
0
Range
Not Applicable
Example
sip nat port: 51620
Parameter –
sip nat rtp port
sip nat rtp port
Configuration Files
aastra.cfg, <model>.cfg, <mac>.cfg
aastra.cfg, <model>.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.
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 param-
eter to send RTP data using a different port.
administrator may close some ports for security reasons. You may want to use this param-
eter 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
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