SKU: 38385350289

Grandstream UCM6308A Audio Unified Communication PBX

Sale price$6634.14 Regular price$7371.27
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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

Grandstream UCM6308A Audio Unified Communication PBXEmpower Your Business with a Scalable, Feature Rich Communication Hub The Grandstream UCM6308A Audio Series IP PBX is a powerful and scalable solution designed to unify all your business communications. This appliance provides a centralized platform for voice, instant messaging (IM), audio conferencing, and more, making it ideal for small to medium sized enterprises. With support for up to 1500 users and 200 concurrent calls, the UCM6308A is built to

Empower Your Business with a Scalable, Feature-Rich Communication Hub

The Grandstream UCM6308A Audio Series IP PBX is a powerful and scalable solution designed to unify all your business communications. This appliance provides a centralized platform for voice, instant messaging (IM), audio conferencing, and more, making it ideal for small to medium-sized enterprises. With support for up to 1500 users and 200 concurrent calls, the UCM6308A is built to grow with your business. It comes equipped with 8 FXS ports for analog phones or fax machines and 8 FXO ports for connecting to traditional PSTN lines.

Seamless Collaboration and Remote Connectivity

The UCM6308A includes a built-in Instant Messaging, Audio Conferencing, and Web Meetings platform, allowing users to connect and collaborate from anywhere. The free Wave App for desktop, web, and mobile devices (Android/iOS) enables seamless voice and IM communications, keeping your team connected whether they are in the office or remote. Furthermore, it supports the UCM RemoteConnect cloud service, which facilitates secure remote connections for a hybrid work environment.

Robust Security and Reliability

Grandstream prioritizes the security of your communications. The UCM6308A features advanced security protection, including secure boot, a unique certificate, and a random default password to safeguard your calls and accounts. An automated NAT firewall traversal service helps to secure remote connections. For enhanced reliability, the system supports Hot Standby High-Availability and local dual deployment.

Key Features at a Glance:

  • Supports up to 1500 users and 200 concurrent calls.
  • 8 RJ11 FXS ports for analog telephones.
  • 8 RJ11 FXO ports for PSTN lines.
  • Three self-adaptive Gigabit ports with integrated PoE+.
  • Built-in audio conferencing and web meetings platform.
  • Free Wave App for desktop, web, and mobile communication.
  • Compatible with GDMS for cloud setup and management.
  • Advanced security features including secure boot and unique certificates.

Technical Specifications

Category Specification
Analog Telephone FXS Ports 8 x RJ11 ports (with lifeline capability)
PSTN Line FXO Ports 8 x RJ11 ports (with lifeline capability)
Network Interfaces 3 x Self-adaptive Gigabit ports (switched, routed, or dual mode) with PoE+
NAT Router Yes (supports router mode and switch mode)
Peripheral Ports 2 x USB 3.0, 1 x SD card interface
Maximum Call Capacity Users: 1500, Concurrent calls: 200, Concurrent SRTP calls: 150
Conference Bridge Up to 9 meeting rooms and 150 parties
Voice and Fax Codecs G.711a/u, G.722, G.726-32, iLBC, G.729A/B, Opus, T.38
Telephony Operating System Based on Asterisk version 16
Auto Attendant Up to 5 layers of IVR (Interactive Voice Response)
Mounting Rack Mount & Desktop
Dimensions (W x D x H) 19.09 in x 7.37 in x 1.82 in
Weight 5.60 lb
Operating Temperature 32 - 113ºF / 0 ~ 45ºC
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: 38385350289

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4.1 ★★★★★
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Blake Gustafson
New York, US
★★★★★ 5
Great Hose
Size: 100ft, Color: Black
amazing product, exactly as described, nossle attached and ready for use. Hose fills up easily and expands , no issues, very light weight
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
M
Verified Purchase
MH
Carnegie, US
★★★★★ 5
The perfect hose?
Size: 50ft, Color: Black
I bought two cheaper hoses prior to this hose, and both of them were unusable. One so stiff it could barely uncoil and the other was soft, but would tangle and kink as soon as turned on. This hose is perfect and has neither of those problems - it doesn’t kink or get tangled and it is soft and pliable and lightweight. It’s small when not in use and expands when turned on. The fact that it contracts when turned off, makes it easy to get the water out of the hose.
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Reviewed in the United States on May 8, 2026
R
Verified Purchase
Read This One !
Lowell, US
★★★★★ 5
Best water hose to buy
Size: 150ft, Color: Black
excellent sprayer included and best hose to buy...flexible & expands even further than advertised, Sturdy and allows full stream of water flow without any kinks in hose line. good buy! easy to use..made of strong material to handle outdoor environment over time. I BOUGHT 3 MORE!
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Reviewed in the United States on May 14, 2026
M
Verified Purchase
Margaret
New York, US
★★★★★ 5
Great hose
Size: 50ft, Color: Black
I love this hose, I have one from years ago wearing out. This is a different quality, so will last longer. It is very lightweight when it detracts and easy to put away in the hose bowl. I also like the fact it came with a nice nozzle. Will purchase another one that is longer after my green house is built.
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Reviewed in the United States on May 16, 2026
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Verified Purchase
Lulu McGillicuddy
Cuba, US
★★★★★ 4
Easy to use for older folks - and FUN.....???
Size: 100ft, Color: Black
Love the light weight. I can turn the spigot just a bit and the hose will grow in length as i walk around to the front of my house. It's just enough to get a good drenching without knocking my plants around. However, the nylon covering snags easily, and I can see that I may need to replace the hose quicker than I had hoped. I'll probably get the same brand of i have to do so. The sprayer is decent quality, and its multi-functions are handy. I kind of like watching it shrink as I empty it and wrap it up. Never thought a garden hose would actually add a little fun to the chore!
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Reviewed in the United States on May 31, 2026

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