Preferred Vocoder (Codec)
The HT801/HT802 supports following voice codecs. On FXS ports pages, choose the order of your favorite
codecs:
• PCMU/A (or G711µ/a)
• G729 A/B
• G723.1
• G726
• iLBC
• OPUS
Configuring the HT801/HT802 Through Voice Prompts
As mentioned previously, The HT801/HT802 has a built-in voice prompt menu for simple device
configuration. Please refer to “Understanding HT801/HT802 Interactive Voice Prompt Response Menu” for
more information about IVR and how to access its menu.
• DHCP MODE
Select voice menu option 01 to allow the HT801/HT802 to use DHCP.
• STATIC IP MODE
Select voice menu option 01 to allow the HT801/HT802 to enable the STATIC IP mode, then use option
02, 03, 04, 05 to set up IP address, Subnet Mask, Gateway and DNS server respectively.
• FIRMWARE SERVER IP ADDRESS
Select voice menu option 13 to configure the IP address of the firmware server.
• CONFIGURATION SERVER IP ADDRESS
Select voice menu option 14 to configure the IP address of the configuration server.
• UPGRADE PROTOCOL
Select the menu option 15 to choose firmware and configuration upgrade protocol between TFTP, HTTP
and HTTPS.
• FIRMWARE UPGRADE MODE
Select voice menu option 17 to choose firmware upgrade mode among the following three options:
“Always check, check when pre/suffix changes, and never upgrade”.
Register a SIP Account
The HT801 supports 1 FXS port which can be configured with 1 SIP account, while HT802 supports 2 FXS
ports which can be configured with 2 SIP accounts . Please refer to the following steps to register your
accounts via web user interface.