Grandstream UCM6301 IP PBX

The UCM6301 from Grandstream delivers an enterprise-grade unified communications solution in a compact, scalable system designed to grow with your business. Supporting up to 500 users and 75 concurrent calls, the UCM6301 enables voice, video conferencing, surveillance, messaging, mobility, and collaboration—all through one centralized, secure platform.

This Grandstream IP PBX offers seamless integration across devices and networks, combining robust performance with user-friendly configuration and management. Whether you’re a small enterprise or a growing company, the UCM6301 equips your team with the tools they need to stay connected, productive, and secure—on-site or remotely.

The Grandstream IP PBX UCM6301 is built to unify communications efficiently. Its built-in conferencing platform supports desktop access, mobile apps, and SIP endpoints. With compatibility across Android, iOS, Chrome, and Firefox via the Wave app, users can collaborate anytime, anywhere. Video meetings, voice calls, file sharing, and messaging are all easily managed in one place—eliminating the need for multiple, disjointed tools.

The UCM6301 also shines in its security and remote accessibility. Grandstream’s UCM RemoteConnect enables secure, encrypted remote connections through NAT firewall traversal, while advanced cybersecurity features like secure boot, unique device certificates, and random default passwords protect sensitive data and communication.

This model includes three Gigabit auto-sensing RJ45 network ports, with integrated PoE+ and NAT router support, ensuring fast, stable network performance. It supports high-quality voice and video codecs including Full-Band Opus, H.264, H.263, H.265, and VP8—delivering exceptional audio and video even in low-bandwidth environments, with jitter resilience up to 50% packet loss.

Cloud management is made simple through Grandstream Device Management System (GDMS), which offers cloud-based setup, monitoring, and updates. Additionally, the UCM6301 includes a powerful API, making it easy to integrate with CRM, PMS, and other third-party platforms—enhancing workflow and boosting operational efficiency.

As part of the UCM6300 ecosystem, the UCM6301 fits into a broader suite of communication tools. When paired with the Wave app and other UCM6300 devices, it creates a hybrid solution that combines the control of on-premise systems with the flexibility of cloud communication.

At RapidBTS, we bring the best of unified communications technology to Nigerian businesses. The UCM6301 exemplifies our commitment to delivering cost-effective, scalable solutions that empower teams to collaborate from anywhere. Whether you’re upgrading from an older PBX system or building your communication network from scratch, the UCM6301 is engineered to streamline operations, improve call quality, and support long-term growth.

Analog Telephone FXS Ports

• 1 RJ11 Port
• All ports have lifeline capability in case of power outage

PSTN Line FXO Ports

• 1 RJ11 Port
• All ports have lifeline capability in case of power outage

Network Interfaces

• Three self-adaptive Gigabit ports (switched, routed or dual mode) with PoE+

NAT Router

• Yes (supports router mode and switch mode)

Peripheral Ports

• 1*USB 3.0
• 1*SD card interface

LED Indicators

• None

LCD Display

• 320×240 colour LCD with touch screen for Shortcut Keys and Scroll Bar

Reset Switch

• Yes, long press for factory reset and short press for reboot

Voice-over-Packet Capabilities

• LEC with NLP Packetized Voice Protocol Unit
• 128ms-tail-length carrier grade Line Echo Cancellation
• Dynamic Jitter Buffer
• Modem detection & auto-switch to G.711
• NetEQ
• FEC 2.0
• Jitter resilience up to 50% audio packet loss

Voice and Fax Codecs

• Opus, G.711 A-law/U-law, G.722, G722.1 G722.1C, G.723.1 5.3K/6.3K, G.726-32, G.729A/B, iLBC, GSM; T.38

Video Codecs

• H.264, H.263, H263+, H.265, VP8

QoS

• Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS

API

• Full API available for third-party platform and application integration

Telephony Operating System

• Based on Asterisk version 16

DTMF Methods

• In-band audio, RFC2833, and SIP INFO

Provisioning Protocol & Plug-and-Play

• Mass provisioning using AES encrypted XML configuration file, auto-discovery & auto-provisioning of Grandstream IP endpoints via ZeroConfig (DHCP Option 66 multicast SIP SUBSCRIBE mDNS), eventlist between local and remote trunk

Network Protocols

• TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, Frame Relay (pending), IPv6, OpenVPN®

Disconnect Methods

• Busy/Congestion/Howl Tone, Polarity Reversal, Hook Flash Timing, Loop Current Disconnect

Media Encryption

• SRTP, TLS, HTTPS, SSH, 802.1X

Universal Power Supply

• Input: 100 ~ 240VAC, 50/60Hz; Output: DC 12V, 1.5A

Dimensions

• 270mm(L) x 175mm(W) x 36mm(H)

Weight

• Unit Weight: 715g
• Package Weight: 1211g

Temperature & Humidity

• Operating: 32 – 113ºF / 0 ~ 45ºC, Humidity 10 – 90% (non-condensing)
• Storage: 14 – 140ºF / -10 ~ 60ºC, Humidity 10 – 90% (non-condensing)

Mounting

• Wall mount & Desktop

Multi-Language Support

• Web UI: English, Simplified Chinese, Traditional Chinese, Spanish, French, Portuguese, German, Russian, Italian, Polish, Czech, Turkish
• Customisable IVR/voice prompts: English, Chinese, British English, German, Spanish, Greek, French, Italian, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Hebrew, Arabic, Nederlands
• Customisable language pack to support any other languages

Caller ID

• Bellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 – BT, NTT

Polarity Reversal/Wink

• Yes, with enable/disable option upon call establishment and termination

Call Center

• Multiple configurable call queues, automatic call distribution (ACD) based on agent skills/availability/ work-load, in-queue announcement

Customisable Auto Attendant

• Up to 5 layers of IVR (Interactive Voice Response) in multiple languages

Maximum Call Capacity

• Users: 500
• Concurrent calls (G.711): 75
• Max concurrent SRTP calls (G.711): 50

Maximum Attendees of Conference Bridges

• 2 Video Conference rooms and up to 12 parties with 1080p, assuming 4 video feeds + 1 screen sharing (H.264 & G.711)
• Voice Conference: Up to 75 parties (G.711)

Wave Mobile App

• Allows Android & iOS users to join UCM-hosted meetings & communicate with other users/solutions registered to the UCM6301

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 conference, video conference, eventlist, feature codes, busy camp-on/ call completion, voice control

Firmware Upgrade

• Supported by Grandstream Device Management System (GDMS), a zero-touch cloud provisioning and management system, It provides a centralized interface to provision, manage, monitor and troubleshoot Grandstream products

Compliance

• FCC: Part 15 (CFR 47) Class B, Part 68
• CE: EN 55032, EN 55035, EN 61000-3-2, EN 61000-3-3, EN 62368-1, ETSI ES 203 021, ITU-T K.21
• IC: ICES-003, CS-03 Part I Issue 9
• RCM: AS/NZS CISPR 32, AS/NZS 62368.1, AS/CA S002, AS/CA S003.1/.2
• Power adapter: UL 60950-1 or UL 62368-1

Datasheet

• Datasheet_UCM6300_Series_English