| Technical Specifications – Grandstream GRP2601PW |
| Model | GRP2601W |
| Device Type | Carrier‑Grade Essential IP Phone |
| SIP Accounts / Lines | 2 SIP accounts, 2 lines |
| Display | 2.4″ 132×48 LCD |
| Network Interfaces | Dual 10/100 Mbps Ethernet |
| PoE Support | Yes (GRP2601P, IEEE 802.3af) |
| Wi‑Fi Support | Yes (GRP2601W, 2.4 GHz single‑band) |
| Feature Keys | 4 XML programmable keys, 5 navigation/menu keys, 8 function keys |
| Audio Conferencing | 5‑way audio conferencing |
| Noise Technology | Noise Shield + AI noise reduction |
| Headset Support | EHS Plantronics, Jabra, Sennheiser |
| Voice Codecs | G.711μ/a, G.722, G.726, G.723.1, iLBC, OPUS, G.729A/B |
| Telephony Features | Hold, transfer, forward, call park/pickup, call log, LDAP/XML phonebook |
| Security | Secure boot, dual firmware images, encrypted storage, TLS, SRTP, 802.1x |
| Protocols | SIP RFC3261, TCP/IP, UDP, RTP/RTCP, HTTP/HTTPS, DNS, DHCP, PPPoE, STUN, LLDP‑MED, TR‑069, SNMP, IPv6 |
| Provisioning & Management | GDMS cloud zero-touch provisioning & management |
| Power | 100–240 VAC → 5 VDC or PoE (GRP2601P) |
| Dimensions (L×W×H) | 208 × 180 × 63.4 mm |
| Weight | ~650 g |
