Hello,can you link multiple dp750's together to work as a single unit all hooked up to a local sip server say elastix providing extentions to dp720's

On a DP750 You are able to link up 6 DP720s with separate extensions. I dont think you can link multiple DP750s as this a base unit for the 720s. I have multilple DP750s in our facility with no interference issues. Hope this helps.

How do I set up this device to an existing grandstrem set up?, there is not instructions.

The admin guide for the base and phones are on Grandstream's site here http://www.grandstream.com/sites/default/files/Resources/DP750_DP720_Administration_Guide.pdf.

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📞 Elevate your office calls with Japan’s trusted DECT powerhouse!

TRUSTED DOMESTIC WARRANTY - Buy with confidence from authorized Japanese dealers—no parallel import risks
COMPACT LIGHTWEIGHT DESIGN - Sleek 5-inch base station fits perfectly on any desk without clutter
CRYSTAL CLEAR DECT CONNECTIVITY - Enjoy interference-free calls with DECT standard technology
SEAMLESS MULTI HANDSET INTEGRATION - Connect up to 5 DP720 handsets for ultimate office flexibility
AUTHENTIC JAPAN SPECIFIC COMPLIANCE - Factory-set frequency and PSE-certified adapter ensure legal and safe use in Japan

The Grandstream DP750 is a DECT standard cordless IP phone base station designed for professional environments in Japan. It supports up to 5 DP720 handsets simultaneously, ensuring seamless multi-user communication. Factory-configured for Japan’s frequency regulations and equipped with a PSE-certified AC adapter, it guarantees legal compliance and reliable performance. Compact and lightweight, this authentic domestic product is sold exclusively through authorized Japanese dealers, avoiding risks associated with parallel imports.

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Display Size	5 Inches
Color Name	black
Batteries Included	No
Batteries Required	No
Brand	Grandstream
Manufacturer	Grandstream
Item Model Number	GS-DP750
Model Year	2016
Material	Plastic
Product Dimensions	5.08 x 2.03 x 16.76 cm; 249.48 g
Item Weight	0.55 Pounds

Grandstream DP750 DECTコードレスIP電話機ベースステーション [国内正規品]

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Grandstream DP750 DECTコードレスIP電話機 ベースステーション [国内正規品]

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Grandstream DP750 DECTコードレスIP電話機ベースステーション [国内正規品]