Figure 9: Sip Accounts Settings - Grandstream Networks HT818 Administration Manual

Figure 9: SIP Accounts settings

After applying your configuration, your account will register to your SIP Server, you can verify if it has been
correctly registered with your SIP server from your HT818 web interface under Status → Port Status →
Registration (If it displays Registered, it means that your account is fully registered, otherwise it will display
Not Registered so in this case you must double check the settings or contact your provider).
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HT818 Administration Guide
Version 1.0.27.2