Grandstream DP720 / Cordless extension handset / DECT\GAP / 3-way call capability / SIP / 10 lines | DP720

Special Features
- High-quality audio on both the speakerphone and handset
- 3.5mm headset jack, 3-way voice conferencing
- DECT authentication & encryption technology to protect calls and account
Product Specification
Product Type | Cordless extension handset |
Total Number of Wireless Handsets | 1 |
Phone Features | Phone Features |
Cordless Phone Standard | DECT\GAP |
Call Services | Call Waiting, Call Forwarding, Call Transfer, Call Hold |
Max Base Units Supported | 4 |
Max Handset Operating Distance | 50 m |
Max Handset Operating Distance (Outdoor) | 300 m |
Dialer Location | Handset |
Conference Call Capability | 3-way |
Speakerphone | Yes |
IP Telephony | IP Telephony |
VoIP | Yes |
VoIP Protocols | SIP |
Voice Codecs | G.711, G.723.1, G.728, G.729ab, G.726, iLBC, G.727 |
Lines Supported | 10 lines |
Voice Features | HD Voice, acoustic echo cancellation (AEC), automatic gain control (AGC) |
Display | Display |
Type | LCD display - colour |
Display Location | Handset |
Diagonal Size | 1.8" |
Display Resolution | 160 x 128 pixels |
Backlit | Yes |
Miscellaneous | Miscellaneous |
Connections | Headset jack / mini-phone 3.5mm ¦ Micro-USB |
Hearing Aid Compatible | Yes |
Battery | Battery |
Battery | AAA type |
Technology | Nickel Metal Hydride |
Talk Time | Up to 1200 min |
Standby Time | Up to 250 h |
Dimensions & Weight (Handset) | Dimensions & Weight (Handset) |
Width | 5 cm |
Depth | 2.6 cm |
Height | 15.5 cm |
Weight | 138 g |