Grandstream Networks GXV3175 Advanced Settings/Call Features, Advanced Settings/Video Settings

RTCP. For video, channel 0 will use port_value+2 for RTP and port_value+3

for its RTCP; channel 1 will use port_value+6 for RTP and port_value+7 for

RTCP. The default value is 5004.

Use Random Port

When set to YES, this parameter will force random generation of both the

local SIP and RTP ports. This is usually necessary when multiple

GXV-3175s are behind the same full cone NAT. The Default setting is YES.

(This parameter must be set to NO before Direct IP Calling will work)

Keep-alive Intervals (s)

This parameter specifies how often the GXV-3175 sends a blank UDP

packet to the SIP server in order to keep the “ping hole” on the NAT router to

open. The default setting is 20 seconds.

STUN Server

The IP address or Domain name of the STUN server. STUN resolution

results are displayed in the STATUS page

of the Web UI. Only

non-symmetric NAT routers work with STUN.

Default STUN server: stun.ipvideotalk.com

Use NAT IP

The NAT IP address used in SIP/SDP messages. This field is blank at the

default settings. This should ONLY be used if your ITSP requires it.

SSL Certificate

This defines the SSL certificate needed to access certain websites.

SSL Private Key

This defines the SSL Private key.

SSL Private key Password

This defines the SSL private key password.

Advanced Settings/Call Features

Disable Call-Waiting

The default setting is No. If set to Yes, the call waiting feature will be

disabled.

Disable Call-Waiting Tone

The default setting is No. If set to Yes, the call waiting tone will be disabled.

Disable Direct IP Call

The default setting is No. If set to Yes, Direct IP calling will be disabled.

Offhook Auto Dial

Configure a User ID/extension to dial automatically when the phone is taken

offhook. By default, the phone will use the first account to dial out.

Advanced Settings/Video Settings

Enable Motion Detection

The phone will exit idle/screensaver mode if motion is detected. The default

setting is Yes.

Video Frame rate

The Default value is 15 frames/second. The video frame rate is adjustable

based on network conditions.

Increasing the frame rate will increase the amount of transferred data

significantly therefore consuming more bandwidth. Lack of bandwidth will

Grandstream Networks, Inc.

GXV3175 USER MANUAL

Page 40 of 119

FIRMWARE VERSION 1.0.0.32

Updated : 12/2010