TABLE 9: HT496 Advanced Configuration Page Definitions
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| Admin Password |
| This contains the password to access the Advanced Web Configuration page. This |
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| field is case sensitive. |
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| Home NPA |
| Local area code for North American Dial Plan. |
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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 |
| This setting includes two fields. The 802.1Q/VLAN Tag contains the value used for |
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| layer 2 VLAN tag. Default setting is blank. The 802.1p priority value contains the |
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| value of the priority value. |
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| STUN Server |
| STUN server’s IP or FQDN |
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| This parameter specifies how often the HT496 sends a blank UDP packet to the SIP |
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| server in order to keep the “hole” on the NAT open. Default is 20 seconds. Minimum |
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| value is 10 seconds. |
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| Use NAT IP: |
| NAT IP address used in SIP/SDP message. Default is blank. |
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| Firmware Upgrade and |
| Default method is HTTP. Firmware upgrade may take up to 20 minutes depending on |
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| Provisioning |
| network environment. Do not interrupt the firmware upgrading process. |
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| Firmware Server Path |
| IP address or domain name of firmware server. |
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| Config Server Path |
| IP address or domain name of configuration server. |
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| Firmware File Prefix |
| Default is blank. If configured, HT496 will request firmware file with the prefix. This |
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| setting is useful for ITSPs. End user should keep it blank. |
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| Firmware File Postfix |
| Default is blank. End user should keep it blank. |
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| Config File Prefix |
| Default is blank. End user should keep it blank. |
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| Config File Postfix |
| Default is blank. End user should keep it blank. |
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| Automatic Upgrade |
| Default is “NO”. |
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| When set to No, HT496 will only do upgrade once at boot up. “Check every day “, ” |
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| Check every week”, “Always check for New Firmware at Boot up.” “ Check New |
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| Firmware only when F/W pre/suffix changes” |
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| Firmware Key |
| Used for firmware encryption. Should be 32 digit in Hexadecimal Representation. |
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| End user should keep it blank. |
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| The time |
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| FXS Impedance |
| Selects the impedance of the analog telephone connected to |
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| following information may be useful for end user configuration: |
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| 600Ohm – North America |
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| 270+750Ohm 150nF – Most of Europe |
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| 220+820Ohm 120nF – Australia, New Zealand |
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| 220+820Ohm 115nF – Austria, Bulgaria, Germany, Slovakia, South Africa |
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| 370+620Ohm 310nF – UK, India |
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Grandstream Networks, Inc. | HT496 User Manual | Page 21 of 29 |
| Firmware 1.0.3.86 | Last Updated: 7/2007 |
