The GHP620(W) & GHP621(W) include an HD speaker on the handset, 2 SIP accounts/lines, 10 speed dial keys and 3 programmable keys and includes 2 models with integrated dual-band Wi-Fi support (GHP620W and GHP621W.) 2 SIP Accounts, 2 Lines GDMS online device management and provisioning 3-way audio conferencing for easy conference calls Integrated dual-band 2.4GHz & 5GHz 802.11 a/b/g/n/ac (GHP620W & GHP621W only) Includes one 100Mbps network port with PoE (GHP620 & GHP621 only) Swappable faceplate to allow for easy customization Hearing Aid Compatibility (HAC) Enterprise-level protection including secure boot
