VoIP.info Device reference

Grandstream GRP2616

GRP2616 combines a larger main screen with a separate contact display for operators who monitor colleagues during calls.

Reviewed 2026-09-07Exact-model manufacturer documentationFoundationalDocumentation based · not lab tested

Documented specifications

Open IP Phone Compare →

Grandstream · Manufacturer documentation available at review; remaining support period and local availability not established.

GRP2616: manufacturer-sourced facts
SpecificationDocumented value
SIP accountsUp to 16 in current product listing Source ↗
Line keys6 Source ↗
EthernetTwo Gigabit Source ↗
PoEIntegrated Source ↗
Wi-FiDual-band 802.11 a/b/g/n/ac Source ↗
BluetoothIntegrated Source ↗
Controls and accessories4.3-inch main display and 2.4-inch secondary display Source ↗
ProvisioningGrandstream GDMS Source ↗

Unlisted fields remain unverified. Platform compatibility and remaining support life require confirmation for the exact ordered model.

What it is and why consider it

GRP2616 combines a larger main screen with a separate contact display for operators who monitor colleagues during calls. Six primary keys and the second display serve different purposes.

Reasons to choose something else

Choose GRP2615 when ten primary physical line keys matter more than the second screen. A larger contact list also increases provisioning and presence-subscription work; check the PBX limits before assigning every possible BLF.

Deployment and acceptance checks

Pilot hold, blind and attended transfer, BLF changes and voicemail indication with the intended PBX. Reboot the phone and confirm that its assigned keys and account settings return. Test the PC passthrough port under office traffic if it shares the desk cable.

Record the ordered model, hardware revision, installed firmware and calling platform together. Confirm administrator and provisioning ownership before connecting a previously used device. Keep the previous configuration and a supported recovery method before changing firmware; an arbitrary downgrade can remove security fixes.

Firmware, support and evidence

Use the linked Grandstream support resources to match the device to its approved firmware and provisioning instructions. The facts above come from manufacturer documentation; no hands-on measurements, current price or merchant offer are implied.

Where the table does not specify display, SIP-account capacity, network ports, PoE, Wi-Fi, Bluetooth, codecs, headset or expansion support, that field remains unverified for this record. A base station, handset and accessory have different responsibilities; do not copy a feature between them. Confirm lifecycle notices and support entitlement before a fleet purchase.

Sources & applicability

Primary references for the technical details above. Operational examples and planning checklists are VoIP.info editorial guidance.

Examples require adaptation to your topology. No live PBX or hardware testing is claimed.