4 SIP Account 8 Line Key Phone

The Grandstream GXP2135 is a professional enterprise IP desk phone designed for business users who manage medium to high call volumes. Supporting 8 lines and 4 SIP accounts, it combines HD audio, a 2.8-inch colour display and 32 programmable speed dial and Busy Lamp Field (BLF) keys. With built-in Bluetooth, dual Gigabit Ethernet ports and Power over Ethernet (PoE), the GXP2135 provides a flexible solution for offices, reception areas and business VoIP telephone systems.

8 Line Keys and Advanced Call Management

The GXP2135 features 8 dual-colour line keys and 4 programmable context-sensitive soft keys, giving users quick access to everyday call functions. It also includes 32 digital BLF and speed dial keys, allowing staff to monitor extension availability and contact colleagues quickly. Features such as call transfer, forwarding, hold, call park, call pickup and hot desking help businesses handle incoming calls efficiently.

HD Audio and Colour Display

A 2.8-inch, 320 × 240 pixel TFT colour LCD provides clear access to contacts, call information and phone settings. HD audio through the handset and full-duplex speakerphone supports clear conversations. The GXP2135 also offers 4-way audio conferencing, allowing multiple participants to join a call without separate conferencing equipment.

Built-in Bluetooth and Headset Connectivity

Integrated Bluetooth wireless connectivity supports compatible Bluetooth headsets and mobile devices. Users can synchronise contacts and calendars or transfer calls between supported devices. An RJ9 headset connection with Electronic Hook Switch (EHS) support for compatible Plantronics headsets provides additional hands-free options.

Gigabit Ethernet and Power over Ethernet

The GXP2135 features dual 10/100/1000Mbps Gigabit Ethernet ports with integrated IEEE 802.3af PoE. This allows the phone to receive power and network connectivity through a single Ethernet cable, helping simplify installation and reduce cabling requirements.

Secure Communication and Simple Deployment

Support for TLS and SRTP encryption helps protect calls and account information. Automated provisioning through TR-069, encrypted XML configuration files and Grandstream UCM Zero-Config makes the phone easier to deploy across multiple workstations.

The phone includes a two-position desktop stand and universal power adapter. Optional wall mounting provides further installation flexibility.

Professional IP Telephony for Busy Workplaces

Combining eight line keys, programmable BLF contacts, HD audio and Bluetooth connectivity, the Grandstream GXP2135 SIP IP phone is a practical choice for receptionists, administrative teams and business users requiring reliable everyday communication.