• 3 Lines and 6 SIP Accounts: The GRP2604P supports up to 3 call appearances across 3 lines and 6 SIP accounts, providing flexibility for handling multiple calls and accounts simultaneously.
• GDMS Support: The phone is supported by Grandstream Device Management System (GDMS), which offers a centralized interface for configuring, provisioning, managing, and monitoring Grandstream devices.
• Electronic Hook Switch (EHS) Support: The phone supports Electronic Hook Switch functionality for Plantronics, Jabra, and Sennheiser headsets, allowing seamless call control.
• Full-Duplex Speakerphone with HD Audio: Equipped with a full-duplex speakerphone, the GRP2604P delivers high-definition (HD) audio to ensure optimal audio quality and clarity during conversations.
• Noise Shield Technology: The phone incorporates noise shield technology to minimize background noise, enhancing the overall communication experience.
• Dual Gigabit Ethernet Ports with PoE: The GRP2604P model features dual switched autosensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated Power over Ethernet (PoE) support. This ensures fast network connectivity and simplifies deployment.
• 5-Way Audio Conferencing: The phone supports 5-way audio conferencing, making it convenient for conference calls and collaborative discussions.
• Enterprise-Level Protection: The phone includes advanced security features such as secure boot, dual firmware images, and encrypted data storage, ensuring protection against security threats.
• Swappable Faceplate: The phone’s faceplate is swappable, allowing for easy customization with logos or branding to suit the organization’s identity.

• Support for Multiple Lines and SIP Accounts: The phone supports up to 4 lines and 4 SIP accounts, enabling users to manage multiple concurrent calls and accounts.
• 5-Way Voice Conferencing: The device allows for 5-way voice conferencing, facilitating group discussions and collaboration.
• HD Audio: Both the speakerphone and handset provide HD audio quality for clear and crisp communication.
• Programmable Context-Sensitive Soft Keys: The phone features 5 programmable context-sensitive soft keys, allowing users to customize the phone’s functionality based on their needs.
• Compatibility with GXP2200 LCD Extension Module: The device is compatible with the GXP2200 LCD extension module, which can expand its functionality further.
• Color-Screen LCD: The phone is equipped with a 4.3-inch color-screen LCD with a resolution of 480×272 pixels, providing a clear and vibrant display.
• Dual Gigabit Ports with PoE: The device features dual Gigabit Ethernet ports with integrated Power over Ethernet (PoE) support, ensuring fast and reliable network connectivity.
• Integrated Bluetooth: The phone comes with integrated Bluetooth support, allowing users to connect Bluetooth headsets and Bluetooth-enabled mobile devices. This feature enables the transferring of contact books and calls.
• USB Port: The phone includes a USB port for additional connectivity options and potential expansion.
• EHS for Plantronics Headsets: It supports Electronic Hook Switch (EHS) for Plantronics headsets, enhancing headset compatibility and control.

• Extended Coverage: When used with the DP752 base station, the DP730 offers a range of up to 400 meters outdoors and 50 meters indoors. With the DP750 base station, the outdoor range is up to 300 meters.
• Color Display: The phone features a 2.4-inch color LCD screen with a resolution of 240×320 pixels. It includes three programmable soft keys for customizable functionality.
• Long Battery Life: The DP730 offers a talk time of up to 40 hours and a standby time of up to 500 hours, ensuring reliable performance throughout the day.
• Multi-Line Support: It supports up to 10 SIP accounts and 10 lines per handset, making it suitable for users who require multiple lines for different purposes. The phone also supports 3-way conferencing.
• Push-to-Talk: The phone has a dedicated push-to-talk button, as well as built-in proximity and accelerometer sensors for gesture control and alert notifications.
• Video Streaming and Door Control: The DP730 supports video streaming display and seamless 1-touch door control when used with Grandstream’s GDS3700 series Door Cameras.
• HD Audio: The phone provides high-definition audio quality on the speakerphone, handset, and headset jack, ensuring clear communication.
• Over-the-Air Updates: The DP730 supports software and firmware updates over-the-air, simplifying the process of keeping the phone up to date.

2-Line Model with Zero-Touch Provisioning:

• Designed as a 2-line model with the convenience of zero-touch provisioning.
• Ideal for mass deployment scenarios, ensuring easy setup and management.

5-Way Voice Conferencing:

• Features 5-way voice conferencing capability, enhancing collaboration and productivity during conference calls.

Integrated PoE and Wi-Fi Support:

• The GRP2602P and GRP2602G models come with integrated Power over Ethernet (PoE) support for streamlined installation.
• The GRP2602W model offers Wi-Fi support, providing flexible network connectivity options.

Supported by GDMS:

• Backed by Grandstream’s Device Management System (GDMS) for centralized and efficient provisioning and management.

Designed for Desktop Workers:

• Built to meet the basic needs of both on-site and remote desktop workers.
• Offers an easy-to-use and easy-to-deploy voice endpoint.

SIP Account and Network Connectivity:

• Supports 2 SIP accounts.
• Offers both wired and wireless network connectivity options.

Phone Book and BLF Keys:

• Features a 500-contact phone book.
• Line keys support 16 virtual BLF (Busy Lamp Field) keys for monitoring the status of extensions.

Codec Support:

• Provides Opus codec support for high-quality and clear audio during office communications.

Color Screen:

• Equipped with a 2.4-inch color screen for enhanced visibility and intuitive navigation.

Feature Line Keys:

• Includes 4 feature line keys on both sides of the screen, offering quick access to various functions and features.

• 3 line keys with dual-color LED and support for 6 SIP accounts
• 4 XML programmable context-sensitive soft keys
• 5 navigation/menu keys
• 9 dedicated function keys (e.g., MESSAGE, TRANSFER, HOLD, HEADSET, MUTE, SEND/REDIAL, SPEAKERPHONE, VOL+, VOL-)

• 1 SIP Account and 2 Line Keys: The phone supports 1 SIP account and is equipped with 2 line keys, allowing users to manage multiple calls and lines.
• 3-Way Conferencing: It supports 3-way conferencing, making it easy to conduct conference calls with multiple participants.
• 3 XML Programmable Context-Sensitive Soft Keys: The phone features 3 XML programmable soft keys that can be customized to perform specific functions based on the context.
• Dual-Switched 10/100 Mbps Ports: With dual-switched Ethernet ports, the phone offers fast and reliable network connectivity.
• EHS Support for Plantronics Headsets: The phone supports Electronic Hook Switch (EHS) functionality for Plantronics headsets, allowing for convenient call management.
• Up to 500 Contacts: It has the capacity to store up to 500 contacts, making it easy to access and manage contact information.
• Call History: The phone can store call history records, supporting up to 200 records for easy reference.
• Integrated PoE: The GXP1615 is equipped with integrated Power over Ethernet (PoE) support, enabling both power and network connectivity through a single Ethernet cable.