Grandstream UCM6300A IP PBX for 250 Users, Business VoIP PBX, Office Telephone System


Original price was: ₹33,719.00.Current price is: ₹18,499.00. Inc. tax (15,677.12Exc. Tax)

Buy Grandstream UCM6300A Audio IP PBX in India at the best price. Supports up to 250 users and 50 concurrent calls with voice, instant messaging, audio conferencing, web meetings, mobile access, enterprise-grade security, and third-party integrations.

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Estimated shipping date: 24/06/2026 - 25/06/2026

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    Description

    The Grandstream UCM6300A is an enterprise-grade Audio IP PBX from the Grandstream UCM6300 Audio Series, designed to deliver a complete Unified Communication and Collaboration (UCC) solution for modern businesses. It centralizes business communications by combining voice calling, instant messaging, audio conferencing, web meetings, mobility, remote access, and third-party application integrations into a single secure and scalable platform.

    Supporting up to 250 users and 50 concurrent calls, the Grandstream UCM6300A is an ideal IP PBX solution for small and medium-sized businesses, branch offices, educational institutions, hotels, healthcare facilities, and enterprises seeking reliable on-premise communications. It includes a built-in instant messaging and audio conferencing server, along with the free Grandstream Wave application, enabling employees to communicate seamlessly via desktop, web, Android, and iOS devices from anywhere.

    Powered by Asterisk® 16, the Grandstream UCM6300A delivers advanced telephony capabilities, including IVR, call queues, call recording, voicemail-to-email, BLF, ring groups, call routing, conferencing, and zero-configuration provisioning for Grandstream SIP endpoints. Enterprise-grade security is provided through TLS, SRTP, HTTPS, and automated NAT traversal, while UCM RemoteConnect enables secure remote connectivity without the complexity of VPN configuration.

    The UCM6300A features three Gigabit Ethernet ports with integrated PoE+, a 320 Ă— 240 color LCD touchscreen for easy system management, USB connectivity, and expandable storage options. Its intuitive management interface simplifies deployment, administration, and ongoing maintenance while supporting future business growth.

    Whether you’re replacing a legacy EPABX system or deploying a new VoIP PBX, the Grandstream UCM6300A offers a powerful, feature-rich, and cost-effective communication platform that combines the reliability of an on-premise IP PBX with the flexibility of cloud-enabled remote management and unified communications.

    Grandstream UCM6300A Key Features

    FeatureDescription
    Supports Up to 250 UsersDesigned for small and medium-sized businesses, the Grandstream UCM6300A supports up to 250 SIP users and 50 concurrent calls, making it ideal for growing organizations.
    3 Gigabit Ethernet Ports with PoE+Features three Gigabit network ports that can operate in switched, routed, or dual-network modes with integrated PoE+, providing flexible network deployment options.
    Integrated NAT Router & FirewallBuilt-in NAT router, enterprise firewall, and Fail2Ban intrusion prevention help secure your business VoIP network against unauthorized access and cyber threats.
    Built-in Audio ConferencingHost up to 3 simultaneous audio conference bridges with support for up to 50 participants, enabling efficient team collaboration and virtual meetings.
    Wave App for Mobile & DesktopIncludes the free Grandstream Wave App for Android, iOS, Windows, macOS, and web browsers, allowing users to make and receive business calls from anywhere.
    Instant Messaging & Unified CommunicationsIntegrated Instant Messaging (IM) platform enables seamless communication between employees alongside voice calling and conferencing.
    Zero Configuration ProvisioningSimplifies deployment by automatically provisioning compatible Grandstream SIP phones, reducing installation time and management effort.
    Enterprise-Grade SecurityAdvanced security features include Secure Boot, random default passwords, TLS, SRTP, HTTPS, SSH, and encrypted communications to protect sensitive business data.
    Third-Party API IntegrationEasily integrates with CRM, PMS, ERP, helpdesk platforms, and other third-party applications through comprehensive API support.
    Wide Codec CompatibilitySupports popular codecs including Opus, G.711, G.722, G.726, G.729, iLBC, GSM, and T.38 Fax-over-IP, ensuring excellent voice quality and broad interoperability.
    Advanced Quality of Service (QoS)Supports Layer 2 and Layer 3 QoS, prioritizing voice traffic to deliver crystal-clear call quality even on busy business networks.
    UCM RemoteConnectSecurely connect remote employees and branch offices using UCM RemoteConnect, eliminating the need for complex manual NAT or VPN configuration.
    Customizable Multi-Level IVRCreate professional call flows with up to 5 levels of IVR, multilingual prompts, automated attendants, and intelligent call routing.
    Call Center FeaturesIncludes advanced call queues, skills-based routing, music-on-hold, in-queue announcements, ring groups, and call management features for customer service teams.
    Encrypted VoIP CommunicationsSupports up to 50 SRTP-encrypted concurrent calls, ensuring secure voice communication for businesses with strict security requirements.

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    Product Details

    Grandstream UCM6300A Technical Specifications

    SpecificationGrandstream UCM6300A Specification
    Supported UsersUp to 250 SIP users
    Maximum Concurrent CallsUp to 50 concurrent calls (G.711) and 50 concurrent SRTP encrypted calls
    Conference Capacity3 audio conference bridges supporting up to 50 participants
    Analog FXS PortsNone
    PSTN FXO PortsNone
    Network InterfacesThree self-adaptive Gigabit Ethernet ports (Switched, Routed or Dual Mode) with integrated PoE+
    Integrated NAT RouterYes (Supports Router Mode and Switch Mode)
    Peripheral Interfaces1 Ă— USB 3.0 Port, 1 Ă— SD Card Slot
    Display320 Ă— 240 Color LCD Touchscreen with shortcut keys and scroll bar
    Reset ButtonFactory Reset (Long Press) / Reboot (Short Press)
    Telephony PlatformPowered by Asterisk® Version 16 Open Source Telephony Platform
    Voice ProcessingCarrier-grade Line Echo Cancellation (LEC), Dynamic Jitter Buffer, NetEQ, FEC 2.0, Modem Detection, Jitter Resilience up to 50% Packet Loss
    Supported Voice & Fax CodecsOpus, G.711 A-law/U-law, G.722, G.722.1, G.722.1C, G.723.1, G.726-32, G.729A/B, iLBC, GSM, T.38 Fax-over-IP
    DTMF SupportIn-band Audio, RFC4733, SIP INFO
    Quality of Service (QoS)Layer 2 QoS (802.1Q, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
    API IntegrationFull API support for CRM, PMS, ERP, Helpdesk, and third-party business applications
    ProvisioningAES-encrypted XML provisioning, Zero Configuration Provisioning, DHCP Option 66, Multicast SIP SUBSCRIBE, mDNS, Auto Discovery
    Supported Network ProtocolsTCP, UDP, IP, RTP, RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP, HTTPS, PPPoE, STUN, SRTP, TLS, LDAP, IPv6, OpenVPN®
    Media SecuritySRTP, TLS, HTTPS, SSH, IEEE 802.1X Authentication
    Firewall & SecurityIntegrated NAT Firewall, Secure Boot, Fail2Ban Protection, Random Default Passwords, TLS Encryption
    Remote ConnectivitySecure Remote Access using Grandstream UCM RemoteConnect
    Call Center FeaturesMultiple Call Queues, Skills-Based Routing, Automatic Call Distribution (ACD), In-Queue Announcements
    Auto Attendant (IVR)Fully Customizable Multi-language IVR with up to 5 Levels
    Wave App SupportFree Grandstream Wave App for Windows, macOS, Web, Android & iOS supporting Voice Calls, Instant Messaging, and Meetings
    Call FeaturesCall Transfer, Call Forwarding, Call Waiting, Call Recording, Caller ID, Call History, IVR, DID, DOD, Ring Groups, Paging, Intercom, Voicemail, Voicemail-to-Email, Fax-to-Email, BLF, SCA, Speed Dial, Call Queues, Pickup Groups, Music on Hold, Emergency Calling, Follow Me, Blacklist/Whitelist, Voice Meetings, Busy Camp-On, Dial by Name, Feature Codes, Event Lists and more
    Disconnect MethodsBusy Tone, Congestion Tone, Polarity Reversal, Hook Flash Timing, Loop Current Disconnect
    Caller ID StandardsBellcore/Telcordia, ETSI-FSK, ETSI-DTMF, SIN 227 (BT), NTT
    Power SupplyInput: 100–240V AC, 50/60Hz; Output: 12V DC, 1.5A
    Dimensions270 Ă— 175 Ă— 36 mm
    WeightUnit: 705 g • Package: 1,131 g
    Operating Temperature0°C to 45°C
    Storage Temperature-10°C to 60°C
    Operating Humidity10% to 90% (Non-Condensing)
    Mounting OptionsDesktop or Wall Mount Installation
    Multi-language SupportWeb Interface available in multiple languages including English, Chinese, Spanish, French, German, Portuguese, Italian, Russian, Polish, Czech, Turkish and more. Customizable IVR supports multiple international languages.
    Firmware ManagementCentralized firmware provisioning, monitoring, and upgrades via Grandstream Device Management System (GDMS)
    Compliance & CertificationsFCC, CE, IC, RCM, UL, RoHS

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