Grandstream GXP2135 IP Phone – 8 Lines, 32 BLF Keys, Bluetooth, PoE Gigabit Enterprise VoIP Phone
The Grandstream GXP2135 is a high-performance enterprise IP phone with 8 lines, 32 BLF keys, Bluetooth, PoE, and HD audio—ideal for busy office users.
Description
The Grandstream GXP2135 High-Performance IP Phone is an enterprise-grade VoIP solution designed for professionals who manage medium to high call volumes. It combines advanced call handling capabilities, high-speed connectivity, and user-friendly features, making it ideal for offices, receptionists, and business environments requiring efficient communication tools.
The GXP2135 supports up to 8 lines and 4 SIP accounts, allowing users to handle multiple calls simultaneously while maintaining flexibility in communication management.
It features a 2.8-inch (320×240) color LCD display, providing a clear and intuitive interface for navigating calls, contacts, and system settings.
A key highlight of the device is its 32 programmable BLF (Busy Lamp Field) and speed-dial keys, which enable quick access to contacts, real-time monitoring of extensions, and improved workflow efficiency for busy users.
For connectivity and performance, the GXP2135 includes:
- Dual Gigabit Ethernet ports (10/100/1000 Mbps) for high-speed networking
- Integrated PoE (Power over Ethernet) for simplified installation
- Built-in Bluetooth for wireless headsets and mobile device pairing
The phone delivers excellent communication quality with:
- HD audio on handset and speakerphone
- Full-duplex speakerphone for natural conversations
- 4-way audio conferencing for team collaboration
The GXP2135 also supports automated provisioning options, including zero-configuration with Grandstream UCM IP PBXs, TR-069, and XML-based provisioning, making it easy to deploy and manage across large-scale installations.
Security is enterprise-grade, featuring TLS and SRTP encryption, ensuring safe and reliable voice communication across networks.
Additional features include EHS headset support, programmable soft keys, and advanced call handling functions, making it a versatile solution for modern business communication needs.
With its 8-line capacity, 32 BLF keys, Bluetooth support, PoE integration, and Gigabit performance, the Grandstream GXP2135 IP Phone is an ideal choice for businesses seeking a balance between performance, usability, and cost efficiency.
General
- Model: GXP2135
- Type: High-Performance Enterprise IP Phone
- Lines: 8 lines / 4 SIP accounts
- Display: 2.8” color LCD (320×240)
Connectivity
- Dual Gigabit Ethernet ports (10/100/1000 Mbps)
- Integrated PoE (IEEE 802.3af)
- Built-in Bluetooth
Audio Features
- HD audio handset & speakerphone
- Full-duplex speakerphone
- 4-way audio conferencing
Programmability
- 32 programmable BLF / speed-dial keys
- 4 XML programmable soft keys
- Advanced call handling features
Features
- EHS headset support (Plantronics compatible)
- Call hold, transfer, forward, park, pickup
- Presence and extension monitoring
Management
- Auto-provisioning (TR-069, XML, zero-config)
- Centralized deployment support
Security
- TLS / SRTP encryption
- Secure provisioning
- Enterprise-grade protection
Design
- Modern desktop design
- Color display interface
- Wall-mount support
- Optimized for medium-to-high call volume users
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet






