Grandstream Networks 200 User Manual
Page 8
Grandstream Networks, Inc.
BT200 User Manual
Page 8 of 33
Firmware 1.1.6.44
Last Updated: 12/2008
Advanced Functionality
Custom down-loadable ring-tones, SRTP, SIP over TLS (pending),
multi-language support and adjustable positioning angles, wall
mountable, AES encryption.
Table 3: Hardware Specifications
LAN Interface (Ethernet ports)
Two (2) 10/100 Mbps Full/Half Duplex Ethernet Switch with LAN and
PC port with auto detection
Headset Jack
2.5mm Headset port
LED
1 LED in RED color
Phone Case
25-button keypad
12-digit caller ID LCD
Universal Switching
Input: 100-240VAC 50-60 Hz
Power Adaptor
Output: +5VDC, 1200mA, UL certified
Dimension
220mm(l) x 180mm(w) x 65mm(h)
Weight
0.9kg (21bs)
Temperature
32 –104
°
F/ 5 – 45
°
C
Humidity
10% – 90% (non-condensing)
Compliance
FCC / CE / C-Tick
Table 4: BT200 Technical Specifications
Protocol
Support
Support SIP 2.0, TCP/UDP/IP, PPPoE, RTP/RTCP/SRTP, HTTP, ARP/RARP,
ICMP, DNS, DHCP, NTP, TFTP.
Device
Management
NAT-friendly remote software upgrade (via TFTP/HTTP) for deployed devices
including behind firewall/NAT
Auto/manual provisioning system, GUI Interface
Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)
Audio Features
Full-duplex hands-free speakerphone, headset enabled
Advanced Digital Signal Processing (DSP)
Dynamic negotiation of codec and voice payload length
Support for PCMU, PCMA, GSM, G.723.1, G.729A/B, G.726-32, G.722 (wide band),
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 & loss concealment
Telephony
Features
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 and volume control
3-way-conference, off-hook auto dial, auto answer, early dial and speed dial
Network and
Provisioning
Via keypad/LCD, Web browser, or secure (AES encrypted) central configuration file,
manual or dynamic host configuration protocol (DHCP) network setup