Configuration Parameters

Operational, Basic, and Advanced Parameters

Parameter

IP Phone UI

Options->Administrator Menu->

sip nat rtp port

 

SIP Settings->RTP Port Base

 

Aastra Web UI

Advanced Settings->Network->

NAT RTP Port

 

Advanced Network Settings

(in Phone UI and Web UI)

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.

 

 

 

 

Format

Integer

 

 

 

 

Default Value

51720

 

 

 

 

Range

Not Applicable

 

 

 

 

Example

sip nat rtp port: 51730

 

 

 

 

Appendix A

Parameter

IP phone UI

Options->Administrator Menu->SIP Settings

sip nortel nat support

Aastra Web UI

Advanced Settings->Network

Nortel NAT Traversal

Configuration Files

aastra.cfg, <mac>.cfg

 

 

 

Enabled

 

 

 

(in Web UI)

 

 

 

 

 

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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Aastra Telecom 53I, 57I CT, 55I manual Sip nat rtp port