More About Grandstream Grp2604 IP Phone -
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Product Description -
Display & Interface
- 2.7" 132x64 backlit graphical LCD display
- 3 line keys with dual-color LEDs
- 4 programmable soft keys, 10 BLF keys
- RJ9 headset jack with EHS compatibility
Audio & Telephony
- HD handset and speakerphone with wideband codec support
- Voice codecs: G.711µ/a, G.729A/B, G.726, G.722, G.723, iLBC, OPUS
- Telephony features: hold, transfer, forward, 5-way conference, call park, call pickup, SCA/BLA, LDAP/2000-item phonebook, and more
Security & Provisioning
- Supports SHA-256, SRTP, TLS, 802.1X authentication
- Mass provisioning via GDMS, TR-069, AES-encrypted XML
Power & Mounting
- GRP2604: 5VDC, 600mA Power Adapter (included)
- GRP2604P: PoE IEEE802.3af Class 2 compliant
- Wall-mountable (bracket sold separately)
Compliance & Environment
- Complies with FCC, CE, RCM, IC certifications
- Operating Temp: 0°C to 40°C, Humidity: 10–90% non-condensing
- Energy-efficient with IEEE802.3az (EEE) support