Top Highlights:

• 2.4 inch (240x320) color LCD with 3 programmable soft keys
• Offers 40-hour talk time and 500-hour standby time
• Supports up to 10 SIP accounts and 10 lines per handset as well as 3-way conferencing
• HD audio on the speakerphone, handset, and headset jack... more info

Model: DP-730
Brand: GRANDSTREAM