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HandyTone-488 User Manual Grandstream Networks, Inc.
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1 Welcome
Congratulations on becoming an owner of HandyTone-488. You made an excellent choice
and we hope you enjoy all of its capabilities.
Grandstream's HandyTone-488 is an all-in-one VoIP integrated access device that features
superb audio quality, rich functionalities, high level of integration, compactness and ultra-
affordability. The HandyTone-488 is fully compatible with SIP industry standard and can
interoperate with many other SIP compliant devices and software on the market.
Grandstream HandyTone-488 is a new addition to the popular HandyTone product family. It
is an enhanced model compared to the award-winning HandyTone-486 in that it allows call
origination and termination from/to the PSTN network (via FXO port) remotely and automated
emergency call routing through PSTN network.