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| PPPoE Link Up |
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| Shows whether the PPPoE connection is running if connected to DSL modem. |
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| NAT |
| Shows type of NAT the GXW40XX is connected to via its WAN port. It is based on |
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| STUN protocol. |
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| Port Status |
| Displays relevant information regarding the individual FXS ports. Example: |
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| Port | Hook | Registration |
| DND | Forward | Busy |
| Delayed |
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| Forward |
| Forward |
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| FXS1 | On Hook | Registered |
| No | 613 |
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| FXS2 | Off Hook | Registered |
| No |
| 614 |
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| FXS3 | On Hook | Not |
| No |
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| Registered |
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| FXS24 | On Hook | Registered |
| Yes |
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| 615 |
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| ** FXS port 24 user has set Do Not Disturb. |
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| FXS port 1 user has set his calls to be forwarded unconditionally to ext 613 |
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| FXS port 2 user has set his calls to be forwarded to 614 when his phone is busy. |
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| FXS port 3 user is not registered with his SIP Server. |
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Advanced User configuration includes not only the end user configuration, but also advanced configurations such as: SIP configuration, Codec selection, NAT Traversal Setting and other miscellaneous configuration.
Table 9: ADVANCED SETTINGS
| Admin Password |
| Administrator password. Only the administrator can configure the “Advanced |
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| Settings” page. Password field is purposely left blank for security reasons after |
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| clicking update and saved. The maximum password length is 25 characters. |
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| Layer 3 QoS |
| This field defines the layer 3 QoS parameter which can be the value used for IP |
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| Precedence or |
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| Layer 2 QoS |
| Value used for layer 2 VLAN tag. Default setting is blank. |
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| STUN Server |
| IP address or Domain name of the STUN server. |
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| STUN server assists devices behind a NAT firewall or a router to set up calls via |
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| VoIP. |
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| STUN server is often provided by the VoIP service provider or a public STUN server |
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| can be used. For a sample list of public free STUN servers please refer to: |
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| This parameter specifies the number of seconds after which a new blank UDP |
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| packet will be sent out to the proxy/server port in order to have the port stay open |
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| and the device remain reachable. Default is 20 seconds. |
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| Use STUN to detect |
| Use STUN |
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| network connectivity |
| does |
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| not yield any response for configured number of times, the device will restart the |
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| TCP/IP |
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| stack. If the STUN server does not respond when the device boots up, the |
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| feature is |
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| disabled. |
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| Firmware Upgrade & |
| Enables GXW40XX to download firmware or configuration file using either the TFTP |
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| Provisioning |
| or HTTP/S protocols. |
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Grandstream Networks, Inc. | GXW40XX User Manual | Page 23 of 38 |
| Firmware 1.0.4.2 | Last Updated: 06/2011 |