Please see, "setting up generic SIP handset on the Allworx": 

Log in to the web administration page of the grandstream phone

Default User Name: admin
Default password: admin

• Click on the account 1 page
• Checkoff Account active
• Account Name: Allworx
• SIP Server: (LAN or WAN IP address of the allworx) (local / remote handset)
• SIP User ID: 51xx
• SIP Authentication Password: 51xx
• Voice mail User ID: 6101
• Name: your name
• Tel URI: Disable
• Click: Save and reboot

Note: If this is an external / Remote handset put a checkmark in "This phone is behind a NAT/Firewall and needs traversal assistance" in the Generic SIP handset profile on the Allworx Server.  
Note: If this is an external / Remote handset look for "SIP ALG" in the router and disable it.


Grandstream, generic, sip, setup, configure