GrandStream UCM6300A IP-PBX Phone System - Voice Audio Only

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GrandStream UCM6300A IP PBX- Voice / Audio - Overview:

The GrandStream UCM6300A IP-PBX Phone System Solution is Audio / Voice based phone system for small business needing VoIP Telephone Line service only. This is a next generation SOHO, Small / Office - Home / Office, start-up and small business telecommunication and conference call platform that helps increase remote work-force communication in and our of corporate office or home office.

The UCM6300A Voice only IP-PBX UCM +allows for remote workers to connect to the office using a variety of options, including:  physical remotely configured Desk or Cordless IP phones, PC browser calling and the Grandstream GS Wave Mobile app. Companies or small businesses can bring together separated offices, remote workers, and traveling employees all under one network with a low cost PBX Phone System with-out paying monthly fees or subscriptions. has been a leading provider for GrandStream in Canada, and we continue to offer both pre-delivery set-up / configuration and VoIP Telephone Line Services - help you to keep your overall company costs low and with-in reach of owning your own expandable phone system.

UCM6300A - VoIP IP PBX phone system

The UCM6300A VoIP capable system is a small form factor box with a small footprint. It can be used on the desktop, wall mounted (case includes integrate screw keyhole slotting for easy installation) or it can be simply put on a shelf next to your router/modem/network switch.

This system is PoE+ capable and can run directly of Power-Over-Ethernet where you have a PoE switch installed on your network.

Grandstream UCM6300A - your own on premise Cloud & VoIP phone system:

The UCM6300-A provides you full customization and control of an on premise IP PBX with the remote-access of a cloud solution with easy-to-manage communication platform for your businesses. YOU essentially house and maintain full control over your own Hosted PBX Solution - with-out the heavy monthly costs. These systems include all in telephony features with NO extra monthly, licensing or continual cost.

UCM6300A Main Specifications:

With a QUAD/4 core 1 GHz processor, 1 GB of RAM and 32 GB of flash memory this IP PBX appliance provides secure enterprise-grade features. There are no feature licensing fees required and no additional costs per feature - it is an ALL INCLUSIVE system.

The GrandStream UCM6300A supports up to 250 users/extensions, 50 concurrent SIP calls, 75 Voice only Conference participants in three meeting rooms and up to 50 SIP trunk lines.

  • SMB (Small / Medium Business) IP-PBX - IP network calling functions only.
  • Supports up to 250 users (SIP), and up to 50 concurrent calls.
  • Three Gigabit RJ45 ports with integrated PoE+
  • Easy to use webGUI interface with access to all features and functions for system administrator.
  • Individual user webGUI access for extension users to access personal settings, call recordings, faxes, etc.
  • Zero configuration provisioning of Grandstream SIP desktop/cordless phones and other endpoints.
  • Comprehensive network security protection using SRTP, TLS and HTTPS with hardware encryption accelerator, Fail2ban, Whitelist, Blacklist, alerts and more to protect against attacks.

UCM6300A IP-PBX - Full Workforce Telecommunications...

The IP-PBX UCM Series Phone Systems also include a suite of integrated solutions for small office, medium business and corporate connectivity and workflow.

ucm 63xx remote connect solutionsUCM RemoteConnect allows businesses to easily build a secure collaboration solution for remote workers and devices.

It offers a companion cloud service for the UCM6300 series that provides always on, automatic NAT firewall traversal to ensure secure connections by remote users. UCM RemoteConnect provides powerful audio and video collaboration tools to remote users through Grandstream’s Wave mobile and desktop app, GUV series of USB personal collaboration devices and SIP endpoints integrated with the UCM6300 series.

By providing a full eco-system of remote collaboration tools, services and management for the UCM6300 series, UCM RemoteConnect is the ideal platform for any organization looking to securely support remote workers.

GS Wave Mobile cell and PC calling app(NOTE: Video not capable on this system. For Video capable systems - visit our PBX Phone System page and select from Voice+Video Capable phone system.)

The GS Wave app allows users to connect to their existing work / office extension. Work from home or when traveling to make and receive calls on the go.

GS Wave is a FREE soft phone application which allows users to make and receive voice/video calls through business or residential SIP accounts on any iPhone or Android™ device (version 4.1+) from anywhere in the world, via either cellular data or WiFi.

With Grandstream GW Wave - business and residential home workers users always have access to their SIP lines and can easily keep in touch with business or personal contacts without using expensive cellular data plans or third party solutions.

Other included - commonly used business telephone system features, and not limited to:

  • Auto-Attendants / IVR Menu Systems (Interactive Voice Response).
  • Multi-company handling features.
  • Multi-site connections (bridge offices or branches across the country in your own phone system network).
  • Call Center Queues / Agent handling + Call Reporting Functions.
  • Call Queue, ring groups, department / extension groups and more.
  • Call monitoring, call listen / whisper, call barge.
  • Live Built-in Auto / Manual Call Recording.
  • CDR - Call Detail Records.
  • Zero-Config (for Phone Extensions).
  • Call Park/Orbit, Hold, Transfer, Follow-me and more
  • Voicemail / Voicemail-to-email.
  • Time Mode Scheduling and switching modes.
  • Video Calling Capabilities.
  • Automated System Back-ups.
  • Fax to email, and much more!

Brand Manufacturer:
SKU - Product Code:
Equipment Use Type:
IP-PBX Phone System Main Box
System Functionality :
Max. Call Capacity :
SIP Extension Capacity :
VoIP Trunk Capacity :
Gigabit Network Ports:
Three self-adaptive Gigabit ports (switched, routed or dual mode) with PoE+
Expandable Storage Memory:
Yes - USB + SD Card or powered USB drive
4 Core Processor
Internal Memory:
1 GB RAM and 32GB flash
Multi-Site Connect :
IVR - Auto Admins :
Multi-level - Up to five levels
Multi-Company Capable :
Live Call Recording Server :
CRD (Call Detail Records) :
Multi-Language Support :
Yes, Standard Installed and downloadble language sets
Security :
Yes - SRTP - TLS and HTTPS encyrption
Call Queue - Call Center Functions :
Call Monitoring - Call Recording :
Auto Configure SIP Endpoints :
Manual Configure SIP Endpoints :
Fax Functions - Fax to Email :
Conference System :
Conference Scheduling - Auto-Emails Notification :
Back-up - Recovery - Automation :
Yes - Scheduled+Manual - Configuration - Partial - Select & Full Back-up options + Call Recordings
Back-up to Remote Locations :
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HD Voice / Audio Only Series

Great for small business on the grow, and transitioning to VoIP telephone line service only.

System FunctionalityVOICE/AUDIO ONLY CAPABLE Max. Call Capacity50 Processor4 Core Processor