Grandstream GXP1610, SOHO IP Phone, 1 SIP Account, 3-Way Configuration, 4 Bundle Single sip account, up to 2 call appearances, 3 xml programmable context-sensitive soft keys, 3-way conferencing, multi-language support Personalized music ring tone/ring back tone and integration with advanced web and enterprise applications, local weather service Dual-switched 10/100 mbps ports Use with Grandstreams ucm6100 series IP PBX appliance for zero-config provisioning, 1-touch call recording and more Full-duplex hands-free speakerphone with advanced acoustic echo cancellation, electronic hook switch (EHS) with Plantronics headsets