Grandstream UCM6300 Series IP PBX – Unified Communication & Collaboration Solution
The Grandstream UCM6300 Series offers a powerful, scalable IP PBX platform designed to unify voice, video, data, and mobility communications for businesses of all sizes. Supporting up to 3000 users and 450 concurrent calls, it includes zero-configuration provisioning for Grandstream SIP endpoints, a built-in conferencing and meetings platform, and the Wave app for seamless communication across desktops, mobile devices, and web browsers. Enhanced security, extensive third-party integrations, and cloud management capabilities make the UCM6300 an ideal solution for modern unified communications and collaboration needs.

Grandstream Device Management System (GDMS) – Cloud-Based Zero-Touch Provisioning and Management
GDMS is a free, enterprise-level cloud provisioning and management platform designed to simplify the deployment, configuration, monitoring, and troubleshooting of Grandstream devices before, during, and after deployment. It offers a centralized interface to easily manage large-scale networks from anywhere in the world, ensuring secure, scalable, and efficient device management for businesses of all sizes.
.webp)
Provides centralized provisioning, configuration, monitoring, firmware updates, and diagnostics for Grandstream devices by site, group, or model
Features enterprise-grade security including TLS encryption, two-factor authentication, and certificate verification for secure remote device management
Supports intelligent alarms, automated troubleshooting, real-time monitoring, and customizable notifications to maintain optimal network health
IP Telephony Sets Grandstream
.webp)
Grandstream GXP2140 IP Telephone Set
The Grandstream GXP2140 is an enterprise-grade multi-line IP phone designed for medium-to-high volume users. It features a vibrant 4.3-inch color LCD screen, HD audio on both handset and speakerphone, and advanced telephony features that streamline communication. With integrated Bluetooth and dual Gigabit Ethernet ports with PoE, it offers versatile connectivity and enhanced productivity for modern office environments.
-
Supports 4 lines, 4 SIP accounts, and 5-way voice conferencing
-
4.3-inch (480x272) color-screen LCD with 5 programmable context-sensitive soft keys
-
Integrated Bluetooth, USB, and EHS support for Plantronics headsets, plus dual Gigabit ports with PoE

Grandstream GXP2170 IP Telephone Set
The Grandstream GXP2170 is a high-end enterprise IP phone designed for users handling high call volumes. Featuring 12 line keys and 6 SIP accounts, it supports 5-way voice conferencing and offers an expansive 4.3-inch color LCD screen. Integrated Bluetooth and dual Gigabit Ethernet ports with PoE enhance connectivity and usability, while support for up to four GXP2200EXT modules expands BLF and speed dial capabilities for up to 160 contacts, making it ideal for busy business environments.
-
Supports 12 lines, 6 SIP accounts, 5 soft keys, and 5-way voice conferencing
-
48 on-screen digitally customizable BLF/speed-dial keys for quick access to contacts
-
4.3 inch (480x272) color screen LCD, integrated Bluetooth, and dual Gigabit ports with PoE

Grandstream GRP2604P Essential IP Telephone Set
The Grandstream GRP2604P is a versatile and essential 3-line IP phone designed for high-volume deployment with zero-touch provisioning and centralized management via GDMS. Featuring noise shield technology and AI noise reduction, it ensures crystal-clear voice communication in noisy environments. With dual Gigabit Ethernet ports and integrated PoE, it delivers robust network connectivity and power efficiency, making it a reliable choice for business voice communications.
-
Supports 3 lines, 6 SIP accounts, with up to 3 call appearances
-
Equipped with noise shield technology and AI noise reduction to minimize background noise
-
Dual autosensing Gigabit Ethernet ports with integrated PoE, and supports 5-way audio conferencing
-
Enterprise-grade security with secure boot, dual firmware images, and encrypted data storage
-
Supported by Grandstream Device Management System (GDMS) for centralized configuration, provisioning, and monitoring
Avaya IP Office 500V2 Control Unit

The Avaya IP Office 500V2 is a robust, scalable control unit designed to power business communication systems supporting both small and large enterprises. Offering comprehensive voice, data, and collaboration capabilities, it supports a wide range of telephony endpoints, expansion modules, and integrates with unified communication applications. This control unit ensures reliable, high-capacity handling of calls, conferencing, and voicemail with advanced system management features.
-
Supports up to 384 extensions, accommodating a mix of analog, digital, IP, and cordless devices
-
Conference bridge supports 128 parties as standard, with a maximum of 64 parties per individual conference and silence suppression for conferences with over 10 participants
-
Supports up to 4 trunk cards and up to 148 voice compression channels using VCM and combination cards; voicemail support includes up to 250 channels on primary server and secondary server for select deployments
Avaya J139 IP Telephone Set

The Avaya J139 IP Phone is a versatile, cost-effective multi-line device designed to deliver secure and reliable voice communications for business users. Featuring a vivid 2.8-inch color display, intuitive control keys, and exceptional HD audio quality, it is perfect for users who require essential voice features and easy access to common phone functions through a sleek interface. The handset design is hearing-aid compatible and supports full SIP integration for unified communications.
-
2.8” (diagonal) color display with 320 x 240 pixel resolution and four dual-color line/feature indicators
-
Wideband HD audio in the handset, headset, and full duplex speakerphone; ergonomic hearing aid compatible design
-
Dual Gigabit Ethernet ports with integrated PoE, SIP protocol support, and configurable via secure Web interface
Avaya IX IP Phone J169
.webp)
The Avaya J169 IP Phone is a cost-effective, high-performing device designed for everyday business communications. Featuring a large 3.5” greyscale display and extensive programmable button options, it delivers intuitive navigation and call management. With integrated Gigabit Ethernet ports and advanced audio technology, the J169 ensures reliable connectivity and crystal-clear voice quality for professional environments.
-
3.5” greyscale display (320 x 240) with 24 programmable button slots and 8 dual-LED physical status buttons
-
Dual Gigabit Ethernet ports for network and PC pass-through; supports robust connectivity and co-location with a user PC
-
Wideband audio in handset and headset, full duplex speakerphone, hearing aid compatible handset, message waiting indicator, and two-position desk stand with optional wall mount
Avaya Vantage K155 IP Video Phone

The Avaya Vantage K155 is an advanced, Android-based IP phone featuring a compact 5-inch capacitive touch display, superb HD audio and video quality, and robust connectivity options for modern communication and collaboration. With integrated camera, high memory capacity, and seamless support for Avaya Spaces™ and Alexa voice interaction, K155 is designed for business users seeking intuitive video calls, conferencing, and workflow integration, whether at the office or working remotely.
-
5" landscape touch display (720 x 1280 px) with integrated camera for HD video calls and conferencing; 32 GB flash memory, 2 GB RAM
-
Multiple connectivity options: 3.5 mm & RJ9 headset ports, dual Gigabit Ethernet, micro HDMI 2.0 output, Wi-Fi, Bluetooth, and NFC support
-
Supports H.264 video codec (High and Baseline AVC), message waiting indicator, hands-free speakerphone and ergonomic handset, customizable with Avaya Vantage™ built-in client, Avaya Spaces™, and Alexa voice interaction
Avaya J129 IP Telephone Set

The Avaya J129 IP Phone is an entry-level SIP device designed for small to large enterprises needing reliable, secure, and easy-to-use basic voice communications. Featuring single-line operation and support for up to two concurrent calls, the J129 delivers enhanced security, integration, and accessibility features, including AST-SIP support, dual Ethernet ports, and special volume boosting for hearing-impaired users. Its intuitive interface and robust build make it ideal for offices, lobbies, and location-based scenarios.
-
Single line phone supporting two concurrent calls, AST-SIP for advanced features, and native IP Office integration
-
Encrypted communications with TLS/SRTP, recent call log (100 entries), Aura contact list (250 entries), and built-in volume boost for hearing impaired
-
Dual 10/100 Ethernet ports, mute key with alert, transfer, conferencing, and park/unpark functionality, plus full duplex speakerphone
Avaya Vantage K165/K175 IP Multimedia Phone

The Avaya Vantage K165/K175 IP Phones are modern, customizable multimedia devices designed to combine voice, video, and application integration for workplaces demanding high-quality collaboration. Featuring an 8-inch capacitive touch color display, wideband audio, and rich connectivity options such as Wi-Fi, Bluetooth 4.2 LE, and dual Gigabit Ethernet, these models run on Android™ and support multiple user interfaces (Equinox, Vantage Basic, Vantage Open). The K175 integrates a camera for video calls and conferencing, while K165 is optimized for privacy without a camera.
-
Single line phone supporting two concurrent calls, AST-SIP for advanced features, and native IP Office integration
-
Encrypted communications with TLS/SRTP, recent call log (100 entries), Aura contact list (250 entries), and built-in volume boost for hearing impaired
-
Dual 10/100 Ethernet ports, mute key with alert, transfer, conferencing, and park/unpark functionality, plus full duplex speakerphone