GrandStream UCM6302A IP-PBX Phone System - Voice Audio Only

GrandStream UCM6302A IP PBX - Voice / Audio - Overview:

Low cost of ownership, feature rich and powerful processing - this model has it all!

The Grandstream UCM6302A offers small businesses, SOHO-Small Office / Home Office and medium size businesses a fully featured IP-PBX phone system. This phone system allows for 75 VoIP trunks, two RJ11 analog (FXO) regular PSTN telephone lines, two analog extensions and up to 500 user IP extensions. 

The small form factor footprint is perfect for desktop, shelf or wall mounting as it is about the same size as a home router. Combine with Grandstream IP based phones for quick installation and set-up with our full service configuration. You can quickly get your business up and running whether you are looking for a new phone system, or a replacement for an older aging phone system. With our express set-up services, we will gather all the information needed to have it ready for plug-n-play on site when it arrives.

This is a full PBX Business Phone System which includes features such as Auto Admin / IVR Menus, Voicemail, hunt/line groups, call queue and call center functions. All features are included with-out extra licensing costs or monthly fees associated like you would find in other third party Hosted Solutions.

UCM6302A Audio only ip-pbx phone system

This model includes 2 FXS / 2 FXO analog line ports with power fail-over. Use your regular PSTN telephone lines as primary lines or for back-up when using VoIP - Voice-over-IP trunk service. As more and more business take the leap and move over to VoIP - we also offer VoIP telephone line service as discounted prices.

UCM6302A IP-PBX Main Specifications:

This phone system offers Instant Messaging, Audio Conference room features, Browser and Mobile app calling capabilities and much more. There are no feature licensing fees required and no additional costs per feature - it is an ALL INCLUSIVE system.

The GrandStream UCM6302A supports up to 75 concurrent SIP calls, 5 meeting rooms with 75 participants Voice only Conference capabilities.

  • 2 FXO (analog telephone line ports).
  • 2 FXS (analog extension ports).
  • Supports up to 500 users (SIP + 2 FXO), 75 SIP trunks, and up to 75 concurrent calls.
  • Triple 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 endpoints.
  • RemoteConnect and Mobile Device connection features
  • Comprehensive network security protection using SRTP, TLS and HTTPS with hardware encryption accelerator, Fail2ban, Whitelist, Blacklist, alerts and more to protect against attacks.
  • CALL FEATURES: Call park, call forward, call transfer, call waiting, caller ID, call record, call history, ringtone, IVR, music on hold, call routes, DID, DOD, DND, DISA, ring group, ring simultaneously, time schedule, PIN groups, call queue, pickup group, paging/intercom, voicemail, call wakeup, SCA, BLF, voicemail to email, fax to email, speed dial, call back, dial by name, emergency call, call follow me, blacklist/whitelist, voice meeting, eventlist, feature codes, busy camp-on/ call completion, voice control and more.

UCM6302A IP-PBX Remote PC and Mobile workforce solutions

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.

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.

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 :
Analog (FXO) Phone Line Capacity :
Analog (FXS) Extension Ports :
Gigabit Network Ports:
Three self-adaptive Gigabit ports (switched, routed or dual mode) with PoE+
Expandable Storage Memory:
Yes - 2x 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 :
You save: $150.00
In stock
Save time, let us set up your new phone system securely and properly - right from the start!
Payment options
Other Details

** This Product is one of our

Great for small business on the grow, with hybrid telephone service features: 75 VoIP trunks and 2 analog (FXO) lines for use as primary or back-up / fail-over.

System FunctionalityVOICE/AUDIO ONLY CAPABLE Max. Call Capacity75 Processor4 Core Processor