Grandstream DP710 Cordless Additional IP Phone for DP715 phones and VoIP devices

Grandstream DP710 Additional Handset Technical Specification

Air Interfaces

• Telephony standards: DECT / GAP Frequency range: 1880 – 1900 MHz (Europe), 1920 – 1930 MHz (US) Number of channels: 120 (Europe), 60 duplex (US) Modulation: GFSK Speech coding: 32 kbit/s Emission power: 10 mW (average power per channel) Range: up to 300 m outdoors, maximum of 50 m in buildings

Handset Display

• 1.7″ 102×80 FSTN LCD with color backlight

Audio Interface

• Handsfree speaker

Telephony Features

• Caller ID display or block, call waiting, Flash, blind or attended transfer, forward, hold, do not disturb, 3-way conference

QoS

• Layer 2 (802.1Q VLAN/802.1p), Layer 3 (ToS, DiffServ, MPLS)

IP Transport

• RTP/RTCP

DTMF Method

• In-audio, RFC2833 and/or SIP Info

IP Signaling

• SIP (RFC 3261)

Multiple SIP accounts per base station

• Up to five (5) distinct SIP accounts per system; Independent SIP account per handset; Multiple handsets per SIP account

Hunting Group

• Linear mode; Parallel mode; Shared Line mode

Provisioning

• HTTP, HTTPS, TELNET, TFTP, TR-069 (pending), secure and automated provisioning

Security

• Security protection: SIP over TLS and SRTP.

Device Management

• Web interface or secure (AES encrypted) central configuration file for mass deployment

Phonebook(Per Handset)

• 200 numbers (up to 24 digits) with an associated name (up to 16 characters); 10 outgoing call entries; 30 incoming calls entries

Multi-language Input

• English; Latin; Greek; Russian

Polyphonic Ringtones

• 18 different ringer melodies are available to indicate an incoming call (internal intercom or external VoIP)