Dtmf Methods; Preferred Vocoder (Codec); Configuring Ht813 Through Voice Prompts - Grandstream Networks HT813 Administration Manual

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2. Use random SIP/RTP ports (under advanced settings webpage), this setting depends on your network
settings. Generally, if you have multiple IP devices under the same network, it should be set to Yes. If
using a public IP address, set this parameter to No.
3. NAT traversal (under the FXS and FXO web page) Set this to Yes when gateway is behind firewall on
a private network.

DTMF Methods

The HT813 supports the following DTMF mode:
 DTMF in-audio
 DTMF via RTP (RFC2833)
 DTMF via SIP INFO
Set priority of DTMF methods according to your preference. This setting should be based on your server
DTMF setting.

Preferred Vocoder (Codec)

The HT813 supports following voice codecs. On FXS/FXO page, choose the order of your favorite codecs:
 PCMU/A (or G711µ/a)
 G729 A/B
 G723.1
 G726
 iLBC
 OPUS

Configuring HT813 Through Voice Prompts

As mentioned previously, The HT813 has a built-in voice prompt menu for simple device configuration.
Please refer to
about IVR and how to access its menu.
 DHCP MODE
Select voice menu option 01 to enable HT813 to use DHCP.
 STATIC IP MODE
Select voice menu option 01 to enable HT813 to use STATIC IP mode, then use option 02, 03, 04, 05 to
set up IP address, Subnet Mask, Gateway and DNS server respectively.
 PPPOE MODE
Select voice menu option 01 to allow the HT813 to enable the PPPoE mode. PPPoE Username and
Password should be configured from web GUI.
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"Understanding HT813 Interactive Voice Prompt Response
HT813 Administration Guide
Version 1.0.1.2
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