Description
Highlights:
- Up to 10 SIP accounts per base and 10 lines per handset
- DECT authentication & encryption technology for call and account security
- 3 audio conference for direct information exchange
- Dedicated push-to-talk button; integrated proximity accelerometer
- Autoprovisioning incl. TR-069 and XML config. File (Used with Grandstream‘s UCM IP Phone Systems)
- HD Audio for best call quality, full-duplex speakerphone
- Many telephony features, call connect, forward, hold, do not disturb, multilingual announcements, flexible call plans, etc.
Datasheet:
| DECT interface | 1880 - 1900 MHz (Europe) | Number of channels: 10 (Europe) | Outdoor range: Up to 400m (DP730) or up to 350m (DP722 / DP720) | Range in buildings: up to 50 m |
|---|---|
| Interfaces | 3 LED indicators: power supply | Network | DECT Pairing / Paging Button1 x 10/100 Mbps Ethernet port with automatic bandwidth detection and power via PoE |
| Protocols / standards | SIP RFC3261 | TCP / IP / UDP | RTP / RTCP | HTTP / HTTPS | ARP / RARP | ICMP | DNS (A record, SRV, NAPTR) | DHCP | PPPoE | SSH | TFTP | NTP | STUN | SIMPLE | LLDP-MED | LDAP | TR-069 | 802.1x | TLS | SRTP |
| Voice codecs | G.711μ / a-law | G.723.1 | G.729A / B | G.726-32 | iLBC | G.722 | OPUS | G.722.2 / AMR-WB (Optional) | In-Band and Out-of-Band DTMF (In Audio, RFC2833, SIP INFO) | VAD | CNG | PLC | AJB |
| Telephony functions | Hold | Connect | Forward | 3rd Conference | downloadable phonebook (XML, LDAP up to 3000 entries) | Call Waiting | Call lists (up to 300 entries) | automatic call acceptance | flexible calling plans | Server redundancy and fail-over |
| QoS | Layer 2 QoS (802.1Q, 802.1P) and Layer 3 QoS (ToS, DiffServ, MPLS) |
| Security | Separate accesses at user and admin level | MD5 and MD5 session based authentication | 256-bit AES encrypted configuration file | TLS | SRTP | HTTPS | 802.1x Media Access Control, DECT Authentication & Encryption |
| Multilingual | English, Czech, German, Spanish, French, Hebrew, Italian, |
| Upgrade / Provisioning | Firmware upgrade via TFTP / HTTP / HTTPS, bulk provisioning with TR-069 or AES encrypted XML configuration file |
| Multiple SIP accounts | Up to ten (10) individual SIP accounts by system | Each handset can be assigned to each SIP account | each SIP account can be assigned to each handset |
| Call Groups | Flexible Options | Circular mode: All phones ring one after the other - starting with the last used telephone | Linear mode: All phones sound in a predefined order | Parallel mode: All phones ring at the same time | as soon as a handset has accepted the call | the other handsets are ready for new calls. |
| Weight | base station: 140g; Power adapter: 50g; including packaging: 370g |
| Environmental Efficiency / Power | Power Supply 100-240V 50 / 60Hz | Issue 5V / 1A, Micro-USB Plug | PoE: IEEE802.3af Class 1, 0.44W-3.84W |
| Scope of delivery | Handset: 110g | Charging station: 44g | Power supply: 50g |
| Dimensions | 140.31 x 64.98 x 105mm |
Grandstream DP752
The DP752 is a powerful DECT VoIP base station that pairs with up to 5 of Grandstream’s DP series DECT handsets to offer mobility to business and residential users. It supports outdoor range of up to 400 meters with the DP730 or up to 350 meters with DP722/DP720 as well as indoor range up to 50 meters to give users the freedom to move around their work or home. T