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- Supports up to 500 users and up to 75 concurrent calls
- Zero configuration provisioning of Grandstream SIP endpoints
- Built-in conferencing & meetings platform; supports desktop, Wave app, and SIP endpoints
- Wave for Android, iOS, Chrome and Firefox browsers allows communication with all UCM6300 users & solutions
- API available for third-party integrations, including CRM and PMS platforms
- Advanced security protection with secure boot, unique certificate and random default password to protect calls and accounts
- Three Gigabit auto-sensing RJ45 network ports with integrated PoE+ and support NAT router
- Automated NAT firewall traversal service facilitates secure remote connections
- Supports Full-Band Opus voice codec and H.264/H.263/ H.263+/H.265/VP8 video codec, jitter resilience up to 50% packet loss
- Compatible with GDMS for cloud setup, management and monitoring
- Based on Asterisk* version 16 open source telephony operating system
FEATURED L.
2025-08-16 17:17:24
Amazing product. It has all the features that you need!
Chad Steffen
2025-08-02 19:04:57
We were looking for a deployable VoIP solution and believe we have found it in this product. UCM RemoteConnect has been very helpful, especially in deployable situations.
Godfrey Nyanzi
2025-07-06 15:38:15
I received my package in good condition. It was well-packed, so thank you. Great customer support too.
George
2025-05-22 15:29:44
Can’t get a license to get suystem to work
Dale B.
2025-05-12 11:18:56
The best thing about the Geandstream UCM devices, I think, is the Wave app. I ended up returning the 6301 because the one they shipped me was already registered to someone else. By the time they told me they had no solution other than returning it and re-ordering, I’d found a couple aspects that just simply don’t work for my setup.If you need to do any custom dialplan stuff, you can’t. I have a little chunk of code that idea Twilio to do a Nomorobo lookup on incoming calls, then sends suspected spammers to a little press-a-button routine. No way to implement that on the Grandstream device. The backup files are encrypted, so you can’t edit them and restore… or even see what’s in them.It is fairly full featured for such an inexpensive and easy to manage device. I like them, but can’t use them for my setup.
Jose De la Cruz
2025-05-10 15:45:31
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juancarogas
2025-05-05 18:54:25
Igreat product
Michael Yarusevich
2025-04-17 17:54:20
I’ve used Grandstream products for a long time now and they work beautifully. I love their zero config that is usable on their IP phones. Great price!
starr
2025-04-04 10:00:58
I got this PBX from Amazon, and programmed it myself. I have not fully developed the functions yet, but it is working perfect - with 5 VOIP truck numbers from IXICA, supporting 15 extensions.I programmed the device with helping from ChatGTP . I am not familiar with IT, but the experience is amazing. Now my office is with multiple IVRs, selecting languages first, then selecting extensions, releasing most work of our receptionist. We have Polycom phones for receptionists, and cordless Panasonic phones through HT802 or HT814 devices. I do have some problems with this device, e.g. the response is slow when waiting for IVR Reponses. I have not yet developed as effective protocol with the PLA, but it may be because I have not yet learned how to program (that part is actually complex, that to manage extensions, and visibly transfer calls between the extensions).For small business, it is much better to have PBX from the provider, that requires you have one line for each extension. I ordered services of 5 lines from IXICA, $20 each including North American unlimited calls, plus I tailored my own features, e.g. recording, cordless, meeting etc. I do suggest small businesses to have this system.
Iskander Garcia Villegas
2025-04-01 13:11:31
Dejó de funcionar a los pocos dÃas, pedà la devolución, se envÃo y Amazon no me hace el reembolso ni me da opción para pedir ayuda
Dave
2025-03-11 13:37:07
Setup was straight forward with the wizard, doing it on my own just didn't work so well, so why fight it let the wizard work its magic and tweak it as needed.
Nick
2025-02-16 18:41:41
Very happy with it. Easy to setup and deploy.
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