Grandstream UCM6308A Audio Unified Communication PBX
SKU: 38385350289

Grandstream UCM6308A Audio Unified Communication PBX

Sale price$6634.14 Regular price$7371.27
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 4 - Jul 9

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 815 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
Y
Verified Purchase
Yamilet Suárez
Boise, US
★★★★★ 5
Soft and Comfortable Sheets for Everyday Use
Color: Frosted Lavender, Size: Twin, Color: Frosted Lavender, Size: Twin
I really like these sheets. They are soft, lightweight, and fit my twin mattress perfectly. The lavender color looks beautiful in person and they feel comfortable to sleep on. After washing, they still looked nice and didn’t wrinkle much. Great quality for the price!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
S
Verified Purchase
Samantha Rainwater
Waukegan, US
★★★★★ 4
Twin XL sheet set
Color: Dutch Blue, Size: Twin XL
Affordable 3 piece twin XL sheet set comes with fitted sheet, top sheet and pillow case. product is soft, breathable and fits Twin XL bed. Color is nice and vibrant.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
Y
Verified Purchase
Yildrey Hernandez
San Leandro, US
★★★★★ 5
Bed Sheets
Color: Bright White Striped, Size: Queen
I’m really happy with these bed sheets. They feel soft and comfortable against the skin, and the crisp white color gives the bed a clean, fresh look. The fabric is lightweight but still feels durable and well made. They fit the mattress nicely and stay in place throughout the night. After washing, they came out looking great with no noticeable shrinking or loss of softness.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
C
Verified Purchase
Carolyn
Natrona Heights, US
★★★★★ 5
Great sheet set
Color: Blush Pink, Size: Full
Super soft right out of the package. Thin material but should be perfect for cool nights. Blush pink is the perfect shade of pink. Love this set. Highly recommended especially at this price point.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
J
Verified Purchase
Johanna Duska
Massapequa, US
★★★★★ 5
Perfect Lightweight Sheets for Sensitive Hot sleepers
Color: Cream, Size: Queen
These sheets are soft, thin, and absolutely perfect for me. I have advanced CRPS and erythromelalgia, so I deal with severe nerve burning and heat sensitivity and cannot tolerate being overheated at all. I keep our AC between 56–64 degrees constantly, and since our studio is small, it usually stays around 61–63. These sheets have been a lifesaver for sleep. They are lightweight, breathable, and don’t trap heat, which helps me avoid extreme flare-ups and the intense burning pain I deal with. I'm bedridden so I need to be comfortable. They feel comfortable against my skin and don’t worsen my symptoms when I’m already in a lot of pain and look nice, wash nicely. For the price, they are also a great value. I’m genuinely grateful to have found something that helps me rest more comfortably. Will be buying more for us and gifts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026

recommand products