| Use Random Port |
| This parameter, when set to “Yes”, will force random generation of both the local SIP and RTP |
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| ports. This is usually necessary when multiple GXV300xs are behind the same full cone NAT. De- |
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| fault is No. (This parameter should be set to NO when using Direct |
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| This parameter specifies how often the GXV300x sends a blank UDP packet to the SIP server in |
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| interval |
| order to keep the “pin hole” on the NAT router to open. Default is 20 seconds. |
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| Use NAT IP |
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| NAT IP address used in SIP/SDP message. Default is blank. Use ONLY if ITSP requires. |
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| STUN Server |
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| IP address or Domain name of the STUN server. STUN resolution result will display in the STA- |
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| TUS page of the Web UI. Only |
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| Firmware Up- |
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| This radio button will enable GXV300x to download firmware or configuration file through either |
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| grade and Provi- |
| HTTP or TFTP (local preferred) server. This is mutual exclusive choice. |
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| sioning |
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| Via TFTP Server |
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| This is the IP address of the configured TFTP server. If selected and it is |
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| GXV300x will attempt to retrieve a new configuration file or new firmware from the specified TFTP |
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| server at boot time. It will make up to 3 attempts before timeout and then it will start the boot |
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| process using the existing code image in the Flash memory. If a TFTP server is configured and a |
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| new code image is retrieved, the new downloaded image will be verified and then saved into the |
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| Flash. |
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| Note: Grandstream strongly recommends that the user upgrade firmware locally in a LAN envi- |
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| ronment if using TFTP to upgrade. Please do NOT interrupt the TFTP upgrade process (especial- |
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| ly the power supply) as this might damage the device. |
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| Via HTTP Server |
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| The HTTP server URL used for firmware upgrade and configuration. For example, |
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| http://provisioning.mycompany.com:6688/Grandstream/1.2.2.5 | Here “:6688” is the specific TCP |
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| port that the HTTP server is using; it can be omitted if using default port 80. Please do not interrupt |
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| power when doing firmware upgrade. |
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| Note: If Auto Upgrade is set to No, GXV300x will only perform HTTP download once at boot up. |
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| Firmware |
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| This is the server path for Firmware server. It can be different with the Configuration server which |
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| Server Path |
| used for provisioning |
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| Config |
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| This is the server path for provisioning, it can be different with firmware server. |
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| Server Path |
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| Firmware File |
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| For ITSP to lock up firmware. If configured, only firmware matched with the encrypted Prefix |
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| Prefix/Postfix |
| and/or Postfix will get download and flashed into the phone. |
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| Config File |
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| For ITSP to lock up configuration. If configured, only configuration file matched with the encrypted |
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| Prefix/Postfix |
| Prefix and/or Postfix will get download and flashed into the phone. |
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| Allow DHCP |
| Default is Yes. |
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| Option 66 to |
| If DHCP option 66 turned ON in LAN, the TFTP server can be redirected. Please be very careful |
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| override server |
| to this as the redirection could brick the phone if happed during firmware upgrade. |
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| Automatic |
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| This function is used by ITSP. End user should NOT touch these parameters. |
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| Upgrade |
| Default is No. Choose “Yes” to enable automatic HTTP upgrade and provisioning. |
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| In “Check for upgrade every” field, enter the number of minutes to check the HTTP server for firm- |
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| ware upgrade or configuration changes. When set to “No”, the phone will only perform HTTP up- |
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| grade and configuration check once at boot up. |
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| Some other selections can be used to |
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| Grandstream Networks, Inc. | GXV300x User Manual | Page 29 of 54 |
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| Firmware 1.2.3.7 | Updated: 12/2010 |
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