SKU: 9815817332

Grandstream 48 port FXS Gateway

Sale price$9080.26 Regular price$10089.18
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Grandstream 48 port FXS GatewayBridge Your Analog Phones to a Powerful VoIP Network The Grandstream GXW4248 is a high density analog VoIP gateway that allows you to connect up to 48 analog devices, such as traditional telephones and fax machines, to a modern IP based phone system. This powerful device is the perfect solution for businesses looking to leverage the cost savings and advanced features of VoIP without replacing their existing analog equipment. By preserving your

Bridge Your Analog Phones to a Powerful VoIP Network

The Grandstream GXW4248 is a high-density analog VoIP gateway that allows you to connect up to 48 analog devices, such as traditional telephones and fax machines, to a modern IP-based phone system. This powerful device is the perfect solution for businesses looking to leverage the cost savings and advanced features of VoIP without replacing their existing analog equipment. By preserving your investment in analog phones, the GXW4248 offers a cost-effective hybrid IP and analog telephone system.

Seamless Integration and Superior Performance

Engineered for reliability and high performance, the GXW4248 features a Gigabit network port to handle high-volume voice calls with ease. It is fully compliant with the SIP standard, ensuring broad interoperability with a wide range of VoIP systems, analog PBXs, and soft-switches. The device supports 4 SIP server profiles per system and an independent SIP account for each of its 48 ports, offering remarkable flexibility in its deployment.

Advanced Features and Crystal-Clear Voice Quality

Experience superb voice quality thanks to carrier-grade line echo cancellation, a dynamic jitter buffer, and support for a wide array of voice codecs. The GXW4248 is also equipped with advanced telephony features including caller ID, call waiting, call transfer, 3-way conferencing, and T.38 fax relay for reliable Fax-over-IP. For enhanced security, the gateway is protected with SRTP/TLS/HTTPS encryption.

Intuitive Management and Provisioning

A backlit 128x32 graphic LCD display provides easy access to system status and configuration options. The GXW4248 supports automated provisioning through TR-069 and XML configuration files, simplifying mass deployment and ongoing management. It also offers zero-configuration provisioning with Grandstream's UCM series of IP PBXs.

Technical Specifications

Unit: 3.21kg, Package: 4.31kg
Interfaces 48 x FXS ports (2 x 50-pin Telco connectors)
Network Interface 1 x 10M/100M/1000Mbps auto-sensing RJ45 port
Voice Compression G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kbps and auto-switch to G.711 for Fax Pass-through
Telephony Features Caller ID display or block, call waiting, blind or attended call transfer, call forward, do not disturb, 3-way conference, last call return, paging
SIP Profiles 4 SIP server profiles per system, independent SIP account per port
Display Backlit 128x32 graphic LCD display with support for multiple languages
Security SRTP/TLS/HTTPS
Power Supply Output: 24VDC, 6.25A; Input: 100 ~ 240VAC, 50~ 60Hz
Dimensions 440mm (L) x 255mm (W) x 44mm (H) (1U)
Weight
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9815817332

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4.3 ★★★★★
Based on 16 reviews
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Product Reviews
I
Verified Purchase
Irmina
Carnegie, US
★★★★★ 5
I fully recommend it!
Format: Paperback
The book was great! It was full of color and my 9 year old daughter loved it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2025
A
Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 5
Great book!
Format: Paperback
Primer is a Great book! Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2025
A
Verified Purchase
Adrifazz
Lake Worth, US
★★★★★ 5
Great book
Format: Paperback
My 4th grade daughter’s favorite book.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2025
D
Verified Purchase
Dishem
West Palm Beach, US
★★★★★ 5
Great for reluctant readers
Format: Paperback
This book is great for reluctant readers. I got this for my niece and her mother asked if I knew of any other graphic novels like this one because of how much my niece loved reading it. I ended up reading it and the story is very enjoyable and inspiring. The art is exceptional. I was very happy to find that there are more in the series. I bought both the first and second ones for my step daughter and other nieces this Christmas. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 10, 2026
K
Verified Purchase
Kindle Customer
Bozeman, US
★★★★★ 5
Foster Care! Magic Paint! Superheroes! OH MY!
Format: Kindle
This was a great read. I loved everything about it. The artwork is vivid. The main character’s personality is spot-on. The humor was great. Ashley is a girl in a world where she is herself and nobody else. At least, that’s what she thinks. Really, she’s a girl stuck in foster care because her dad’s in jail. She has a carefree attitude on the outside, but on the inside she’s really tender-hearted. Then one day a new family shows up, attempting foster care with Ashley. She’s living pretty nicely there and she’s made a friend named Luke. Then one day her foster mom comes home acting kind of strange. Later, Ashley decides to snoop into what’s in that mysterious suitcase her foster mom brought in and hid in a closet. She and Luke find paint. Lots of tubes of paint. Ashley puts them on her skin, because she “likes the texture.” This is where I think it’s waaaaay too obvious that what she’s doing has to be specifically made like that for the storyline. It’s okay though, they do an okay job of hiding it. Anyway. These paints are magic paints that give the person who wears them superpowers! So of course Ashley has to go and use them and be a superhero she calls ‘Primer’. But her foster mom’s job wants those paints she brought home back. So they send their roughest, toughest soldier to retrieve them. Ashley, of course, has a fight with her foster mom about it, and Ashley decides to run away, taking the paints with her. Then obviously the soldier dude shows up, with a bunch of robots. There it just turns into your normal superhero fight scene, but then Ashley loses and the paints are taken except the teleportation one. The soldier, by the way, is named Strack. So then Ashley’s like, “Oh no, I’ll neeever be a hero” even though obviously she will, this is a superhero story. Suddenly her phone is ringing. It’s her foster dad and mom. She picks up their video call and it’s STRACK! He’s adult-napped her foster parents, of course. She debates going to fight Strack, or to just leave it. She goes with leave it until she looks up and sees a painting she made and this suddenly gives her confidence, for reasons unknown. So then there’s another big fight scene with Strack, but Ashley is overconfident like she knows she can’t die, it’s a book and that would be devastating for little ones reading it. Anyway, she wins and frees her parents and they all live happily ever after. So, this story ends in a cliffhanger that’s not a very good one. It’s just Ashley’s REAL dad seeing her on TV from when she went out and was a superhero the first time, and he’s like, “You’re not Primer, every father knows his daughter’s eyes, ASHLEY. See you soon.” So if I was hanging from a cliff here, I would be attached to it with a safety cable and I would be laying on the top of the cliff, with only my foot hanging off. It’s not much of a cliffhanger. This was a great book about a female superhero. Oh, and another thing I forgot to mention, there is a page you should skip if you are reading to a child under seven. Page…. Let’s see here… oh yes. Page seventy-seven. It involves a gun and likely shooting afterwards, but it isn’t shown. I am a very sensitive person, and even I, an almost-teen was kind of rustled by it. Anyways, great story, lovely artwork, good book. I’m rounding up from 4.5 stars. -written by a tween
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 26, 2022

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