The Grandstream GXW4216 V1 and V2 are 16-port Analog VoIP Gateways, allowing any business to create a cost-effective hybrid IP and analog telephone solution that enables them to enjoy the benefits of VoIP communications while preserving investment on existing analog phones, fax machines and legacy analog devices. This guide is designed to help you use some of the most popular features with your new Grandstream GXW4216.
The GXW4216 has 16 telephone FXS ports with both RJ11 on the front and a 50-pin Telco connector on the back, as well as per port status LEDs and Gigabit Ethernet. It also has a backlit 128x32 graphic display for status. The GXW4216 is rack-mountable and comes with simple mounting brackets. The device is AC-powered and comes with a power supply.
Feature Codes
Since this is an analog device, features are activated through the use of * codes (feature codes). The following is a list of common feature codes that might be on your service, depending on what services each user has:
*44 Call Recording
*72 Call Forwarding Always Activation
*73 Call Forwarding Always Deactivation
*90 Call Forwarding Busy Activation
*91 Call Forwarding Busy Deactivation
*92 Call Forwarding No Answer Activation
*93 Call Forwarding No Answer Deactivation
*67 Calling Line ID Delivery Blocking per Call
*65 Calling Line ID Delivery per Call
*68 Call Park
*88 Call Park Retrieve
*98 Call Pickup
*69 Call Return
*70 Cancel Call Waiting
*99 Clear Voice Message Waiting Indicator
*55 Direct Voicemail Transfer
*78 Do Not Disturb Activation
*79 Do Not Disturb Deactivation
*66 Last Number Redial
*62 Voice Portal Access
