
Documented specifications
Grandstream · Manufacturer documentation available at review; remaining support period and local availability not established.
| Specification | Documented value |
|---|---|
| SIP accounts | 4 Source ↗ |
| Line keys | 4 Source ↗ |
| Ethernet | Two 10/100 Mbps Source ↗ |
| PoE | Variant-dependent; base GRP2612 has no integrated PoE Source ↗ |
| Wi-Fi | Variant W only; not the base GRP2612 Source ↗ |
| Bluetooth | Not verified Source ↗ |
| Controls and accessories | Up to 16 digital BLF keys Source ↗ |
| Provisioning | Grandstream GDMS Source ↗ |
| Wideband codecs | G.722 and Opus 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
A compact GRP2612 suits a wired desk that needs four account identities and modest monitored-contact capacity. The base model has Fast Ethernet; purchasing a similarly named G variant changes the network specification.
Reasons to choose something else
Choose GRP2613 for documented Gigabit networking. The base GRP2612 does not inherit PoE from GRP2612P, W or G; order the exact power arrangement rather than relying on a family photograph.
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.