Grandstream GXP1450 - Manual (Page 7)

GXP1450 User Manual Page 6 of 38
Firmware 1.0.1.66 Last Updated: 05/2011
Power Adaptor Output: +5VDC, 800mA, UL certified
Dimension 186mm (W) x 210mm (L) x 81mm (D)
Weight 0.8KG
Temperature 32 –104
°
F/ 0 – 40
°
C
Humidity 10% – 90% (non-condensing)
Compliance FCC / CE / C-Tick
Table 6: GXP1450 Technical Specifications
Lines 2 lines with 2 independent SIP accounts, XML programmable soft-keys.
Protocol Support Support SIP 2.0, TCP/UDP/IP, PPPoE, RTP/RTCP, SRTP by SDES,
HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP,
SIMPLE/PRESENCE protocols, TR-069, 802.1x
Support multiple SIP accounts and up to 11 media channels
concurrently
Support SIP PUBLISH method (RFC 3903), SIP Presence package
(RFC 3856, 3863) for use of MFKs, SIP Dialog package (RFC 4235)
Support for SIP MESSAGE method (RFC 3428)
Display Backlit graphic LCD display, up to 4 level grayscale
Feature Keys HOLD, TRANSFER, CONF, VOLUME, HEADSET, MUTE,
SPEAKERPHONE, SEND/REDIAL, PHONEBOOK, MESSAGE, 3 XML
Programmable Softkeys, 5 Navigation keys,
Device
Management NAT-friendly remote software upgrade (via TFTP/HTTP) for deployed
devices including behind firewall/NAT
Auto/manual provisioning system, Web GUI Interface
Address Book
Audio Features Full-duplex hands-free speakerphone
Advanced Digital Signal Processing (DSP)
Dynamic negotiation of codec and voice payload length
Support for G.723,1 (5.3/6.3K), G.729A/B, G.711 a/µ-law, G.726-32,
G.722 (wide-band), and iLBC codecs
In-band and out-of-band DTMF (in audio, RFC2833, SIP INFO)
Silence Suppression, VAD (voice activity detection), CNG (comfort noise
generation), ANG (automatic gain control)
Acoustic Echo Cancellation (AEC) with Acoustic Gain Control (AGC) for
speakerphone mode, Support side tone
Adaptive jitter buffer control (patent-pending) and packet delay and loss
concealment
HD audio handset with HD wideband audio codecs for excellent double-
talk performance
Telephony Features Intuitive graphic user interface (GUI), downloadable phone book (XML,
LDAP), support for anonymous call using privacy header, MLS (multi
language support)
Voice mail indicator, downloadable custom ring-tones, call hold, call
transfer (attended/blind), call forward, call waiting, caller ID, mute, redial,
call log, caller ID display or block, Do-Not-Disturb (DND) and volume
control