Grandstream GS-GXP2135 Enterprise IP Phone

Grandstream GXP2135 Enterprise IP Phone is a full-featured communication device built for busy professionals who manage moderate to high call volumes. Supporting 8 lines and 4 SIP accounts, this IP phone combines high performance, reliability, and user-friendly design with productivity-enhancing features such as 32 digital BLF/speed-dial keys and integrated Bluetooth. With a 2.8-inch color display, HD audio, Gigabit Ethernet ports, and advanced security protocols, the GXP2135 is ideal for modern office environments seeking efficient and secure VoIP communication.

Product Features

Multi-Line Functionality
Supports up to 8 lines and 4 SIP accounts, making it easy to manage multiple calls simultaneously without compromising efficiency.

High-Quality Color Display
Equipped with a 2.8-inch (320×240) color LCD screen that displays call status, contacts, and menu navigation with clarity.

Advanced Call Management
Features 32 digitally programmable BLF/speed-dial keys to streamline contact access and boost productivity in high-demand workflows.

Integrated Bluetooth
Enables wireless headset pairing and mobile device connectivity for hands-free communication and syncing of contact data.

HD Audio Experience
Delivers crystal-clear sound through the handset and speakerphone, featuring full-duplex functionality and advanced noise suppression.

PoE and Gigabit Connectivity
Dual auto-sensing Gigabit Ethernet ports support Power over Ethernet (PoE) for efficient network integration and simplified setup.

Plantronics EHS Support
Compatible with Plantronics Electronic Hook Switch headsets, allowing call control from supported wireless headsets.

Built-In 4-Way Conferencing
Supports 4-way audio conferencing, helping teams collaborate effectively without needing external systems.

Enterprise-Grade Security
Implements SRTP and TLS encryption protocols to ensure secure voice communications over IP networks.

Simplified Provisioning
Supports zero-configuration provisioning with Grandstream UCM IP PBXs, as well as TR-069 and encrypted XML configuration files for mass deployments.

Product Specifications

• 8 lines, 4 SIP accounts
• 2.8-inch (320×240) color LCD display
• 32 digitally programmable BLF/speed-dial keys
• 4 XML programmable context-sensitive soft keys
• Dual Gigabit Ethernet ports, auto-sensing, with integrated PoE
• Integrated Bluetooth for headsets and mobile device pairing
• HD audio support on handset and full-duplex speakerphone
• Wideband audio codecs including G.722, Opus
• Narrowband codecs: G.711µ/a-law, G.729A/B, iLBC, G.723.1, G.726
• Full 4-way audio conferencing capability
• EHS support for Plantronics headsets
• SRTP and TLS security encryption
• Zero-config provisioning with Grandstream UCM IP PBXs
• Also supports TR-069 and encrypted XML configuration
• Power: PoE (IEEE 802.3af) or 5V DC adapter (not included)
• Mounting options: desktop stand or wall-mountable