VG3300 series user guide

Section

Item Field

Description

Default

 

 

 

 

Port and Header

Port

The control port number of SIP protocol.

5060

 

 

 

 

 

Header

Select ‘Standard’ or ‘Compact’ to be the

Standard

 

Form

header format of SIP packet. When

 

 

 

Compact is selected, the header will be

 

 

 

shorter and it saves bandwidth.

 

 

 

 

 

Outbound Proxy

Domain

Domain name or IP address of proxy.

Empty

Setting

Name

 

Disable

 

 

 

 

 

Port

Control port number of SIP protocol.

5060

 

 

 

 

Registrar Setting

Domain

Domain name or IP address of proxy

Empty

 

Name

that you want to register.

Disable

 

 

 

 

Out-band DTMF

Control

Enable/Disable

Disable

 

 

Enable: It “Disable” RFC 2833 DTMF

 

 

 

 

 

Incoming Call

Screening

Disable: Accept all incoming SIP call

Disable

Screening

 

Enable: This gateway only accepts

 

 

 

incoming call through SIP

 

 

 

Proxy.

 

 

 

 

 

NAT Signalling

Control

Port number mapping may change if the

Disable

Keep Alive

 

connection to pass through some NAT

 

 

 

device is timeout. This function sends

 

 

 

Dummy Packet to Proxy server every 50

 

 

 

seconds to keep the port number via

 

 

 

NAT intact.

 

 

 

Disable: Does not send Dummy Packet

 

 

 

Enable: Send Dummy Packet

 

 

 

 

 

Target the media

Via

Select the contact information (IP

SDP

(RTP)

 

Address, Port Number) to pass through

 

 

 

NAT device. Please refer to 11.7 Target

 

 

 

the Media

 

 

 

SDP: via SDP

 

 

 

Symmetric RTP: via Symmetric RTP

 

 

 

 

 

Codecs Selection

Codec

G.729AB: Mark the selection to Enable

Enable

 

Type

G.729AB Codec

 

 

 

 

 

 

 

G.723.1: Mark the selection to Enable

Enable

 

 

G.723.1 Codec

 

 

 

 

 

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