To enable voice dialing, the Grandstream HT813 Analog-to-SIP gateway must be configured to route calls to and from the TEG (Teldio Edge Gateway). The following tasks must be completed, and will be explained in further detail below.
For detailed information on the configuration of the HT813, reference the User Guide from Grandstream: HT813_User_Guide.pdf
IMPORTANT: Plug telephone cable ONLY into the FXO port. The FXS port is not used in typical TEG deployments.
Device Configuration
Access the HT813 by plugging into the LAN port. By default the IP for the HT813 is configured for 192.168.2.1. Login with the following credentials:
username: admin | password: admin
NOTE: Be sure to click on Update at the bottom of the page to save any changes made. Once all changes are complete, click on Apply and Reboot.
Click on the ADVANCED SETTINGS tab, and scroll down to the bottom. Click on the button next to Upload Configuration, and then select the following HT813 Config (once downloaded locally): HT813_config.xml
IP Addresses
After the configuration is applied, update the following IP Address locations for the HT813 and Teldio Edge Gateway that will be integrated.
BASIC SETTINGS
Statically set the IPv4 Address for the HT813 WAN port.
IP Address for unconditional Call Forward to TEG.
FXO PORT
SIP Server (i.e. Teldio Edge Gateway) IP
Gateway SIP Telephony
The following are settings are to be changed within the Teldio Edge Gateway UI. Navigate to the Settings / Telephony page.
sip.conf
Use the following settings in the “sip.conf” file under the Telephony configuration. Be sure to replace the bold variables with the correct information.
[ht813]
type=peer
context=incoming
host=192.168.217.162
insecure=port
username=fxo
secret=ht813
qualify=yes
dtmfmode=rfc2833
disallow=all
allow=ulaw
When using the “Phone Alerts” module, set the “Channel tech/resource prefix” to name given in the sip.conf file. For the example above, set it to: SIP/ht813