Grandstream GXP1610/1615 Basic Business HD IP Phone
The Grandstream GXP1610/1615 Basic Business HD IP Phone  has the following features;
- 1 SIP account, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys
- Dual-switched 10/100 mbps ports
- EHS support for Plantronics headsets
- Up to 1000 contacts
- Call history up to 200 records
- Integrated PoE (on GXP1615)
Grandstream GXP1620/GXP1625 Basic IP phone
Grandstream GXP1628 Small to Medium Business HD IP Phone
Grandstream GXP1630 Dual Gigabit PoE Basic IP Phone
The Grandstream GXP1630 Dual Gigabit PoE Basic IP Phone has the following features;
- 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
- EHS support for Plantronics headsets
- Up to 1000 contacts, call history up to 200 records