Grandstream GRP2612 Configuration
The GRP2612 is Grandstream's current entry-level desk phone with a 2.4" color LCD, 4 line keys, HD voice, and dual Gigabit Ethernet. It replaces the older GXP series.
SIP Registration
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Find the IP address of your phone. Press the Menu button (center of the navigation pad).
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Navigate to Status > Network Status.
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Take note of the IPv4 address displayed.
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Open a web browser on your computer and type the phone's IP address in the address bar.
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Log in to the phone's web interface. The default username and password is admin / admin.
The GRP series uses a different web interface than the older GXP phones. The layout is cleaner but the field names are the same.
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Navigate to Accounts > Account 1 > General Settings.
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Set the account to Active and fill out the following fields with the credentials you received from Tonet support:
- SIP Server - Your Tonet SIP server address
- SIP User ID - Your SIP username
- Authenticate ID - Your SIP username
- Authenticate Password - Your SIP password
- Name - Your name or extension label
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Click Save and Apply.
STUN Configuration
STUN is required to avoid one-way audio issues.
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In the left menu, click Settings > Network Settings.
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Set NAT Traversal to STUN.
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Click Save and Apply.
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In the top menu, go to Settings > General Settings.
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In the STUN Server field, enter:
stun.tonet.ai:3478 -
Click Save and Apply.