User's Manual
Grandstream Networks, Inc. GXV3140H USER MANUAL   Page 43 of 146 
 FIRMWARE VERSION 1.0.7.2 Updated : 11/2010 
NOTE: To use OpenVPN functionalities, users must enable OpenVPN and configure all of the settings 
related to OpenVPN, including server address, port, OpenVPN CA, certificate and key. Additionally, the 
user must also set the SIP account to use “VPN” for the “Nat Traversal” (under Account-> Network 
Settings). Reboot the phone after these settings are saved for the changes to take effect. Once the phone 
connects to the OpenVPN server and the authentication is correct, the phone will show the VPN IP 
address under the Status-> Network Status, but it will still display the LAN IP on the LCD of the phone. 
SIP ACCOUNT CONFIGURATION PAGE DEFINITIONS   
The GXV3140H has three lines that can be configured to accommodate independent SIP accounts. Every 
SIP account has an individual configuration page. 
Account/General Settings 
Account Active  Select YES to enable and use the Line. 
Account Name  The account name for the user that is displayed on the LCD screen. 
SIP Server  The IP address of the SIP server or the given domain name of the VoIP 
service provider. 
SIP User ID  User account information provided by the VoIP service provider; normally 
similar to a telephone number or an actual telephone number. 
Authenticate ID  The authenticate ID for the SIP user. It can differ or be the same as the SIP 
user ID. 
Authenticate password  The password that the GXV uses to authenticate with the ITSP (SIP) 
server. After it is saved, this will appear as blank for security reasons. The 
maximum length is 25 characters. 
Voice Mail User ID  When this is configured, the user can dial to the voicemail server using the 
MESSAGE button. This ID is normally the feature code for Voice Mail. 
Name  The Caller ID that will be displayed for the account. 
User ID is phone number:  If the Video phone has an assigned PSTN number, this field should be set 
to “YES”. Otherwise, set it to “NO”. If “YES” is set, a “user=phone” 
parameter will be attached to the “From header” in the SIP request to 
indicate the E.164 number. 
Account/Network Settings 
Outbound Proxy   
IP address or Domain name of the Outbound Proxy, or Media Gateway, or 
Session Border Controller. Used by the GXV3140H for firewall or NAT 
penetration in different network environments. If a symmetric NAT is 
detected, STUN will not work and ONLY an Outbound Proxy will work. 










