Grandstream GHP620/GHP621 IP Phone mesh phone for hotels

SIP account, 2 device management and provisioning online through GDMS Three-way audio conferences for easy conference calls Dual-band integrated 2.4 GHz and 5 GHz 802.11 a/b/g/n/ac (GHP620W and GHP621W only) Includes one network port at 100 Mbps with PoE (GHP620 and GHP621 only) Swappable faceplate for easy customization HAC (Hearing Aid Compatibility) compliance Enterprise-level security including secure boot