Grandstream GXP1630 + Freemate DH037U-GY

Grandstream GXP1630: High end, powerful 3 line SIP phone 3 SIP accounts HD Wideband audio and Full Duplex Speakerphone Power over Ethernet RJ9 Headset Jack Dual switch Gigabit port Freemate DH037-U headset: Mono headset with direct connection RJ9 Special for Yealink and Grandstream IP phones, compatible with other phones Broadband audio, with acoustic shock protection Microphone with noise cancellation Flexible and adjustable microphone rod with 340º rotation Very comfortable earmuffs, with pivot shafts and leatherette pads (optional foam rubber pads) This model has RJ9 direct cable without Quick disconnect.