Grandstream HT81x

This installation guide explains the phone configuration of your device via the web interface. To access the web interface, enter the IP address of your device into the address bar of your web browser.

If you do not know how to locate the IP address of your device, please refer to the instructions/information in the manufacturer's manual.

Registration

Access your device via the IP address. After logging in, select the "Profile 1" tab to configure a sipcall phone number.

The configuration data can be found in the customer portal under "Phone numbers" -> "Phone number overview". Click on the desired phone number to view the configuration data (within the "SIP-Data" card).

Primary SIP Server: <SIP-Server1>
Failover SIP Server: <SIP-Server2>
Outbound Proxy: <SIP-Server1>
Backup Outbound Proxy: <SIP-Server2>

To confirm these entries, click the "Apply" button.

Now, open the "FXS Ports" tab.

The configuration data can be found in the customer portal under "Phone numbers" -> "Phone number overview". Click on the desired phone number to view the configuration data (within the "SIP-Data" card).

SIP User ID: <Username>
Authenticate ID: <Username>
Password: <VoIP-Password>
Name: <Username>

To confirm these entries, click the "Apply" button.

Configuration

Codec

Open the "Profile 1" tab to adjust the "Preferred Vocoder" (Codecs).

The following settings must be applied:

choice 1: <G722>
choice 2: <PCMA>
choice 3: <PCMU>

Testing

Now test your VoIP phone by making both an incoming and outgoing call.

Calls to other sipcall numbers are possible without credit, while calls to paid landline or mobile networks require a sufficient balance on your sipcall account.

If you encounter any issues, our customer service team is happy to assist you.