Grandstream GS-GXP1630 VoIP Landline Phone – Black | GS-GXP1630

3 SIP accounts, 3 line keys, 4-way conferencing, 3 XML programmable context-sensitive soft keys HD audio on speakerphone and handset Dual-switched Gigabit ports, integrated PoE 8 dual-colored BLF/speed dial keys Massive storage allows saving up to 1000 contacts and call history up to 200 records Programmable context-sensitive soft keys that enable easy us “VoIP” refers to using the public Internet to carry voice traffic .