TABLE 3: TECHNICAL SOFTWARE FEATURES
Lines
Protocol Support(1)
Display
Feature Keys
Ethernet Ports
Device Management
Audio Features
Call Handling Features
Network and Provisioning
Advanced Server
Features
Security
1 direct number
IETF SIP (RFC 3261 and companion RFCs)
8 dedicated keys: Message Button, Hold, Transfer, Conference, Flash, Speakerphone, Send, Mute/Del, 5 display/menu navigation keys
Dual 100 Mbps Ethernet LAN and PC ports (switched or routed)
Web interface or via secure (AES encrypted) central configuration file for mass deployment
Support Layer 2 (802.1Q, VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS) Auto/manual provisioning system
Keypad & LCD
Advanced Digital Signal Processing (DSP)
Dynamic negotiation of codec and voice payload length
Support for G.723,1 (5.3K/6.3K), G.729A/B, G.711 µ/A, G.726, G.722
Silence Suppression, VAD (voice activity detection), CNG (comfort noise generation), ANG (automatic gain control)
Adaptive jitter buffer control Packet delay & loss concealment
Voice mail indicator with indicator,
Redial, call log, and volume control
Dial plans,
TCP/UDP/IP, RTP/RTCP , HTTP, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, PPPoE protocols
Manual or dynamic host configuration protocol (DHCP) network setup Support for IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS
RTP and NAT support traversal via STUN and external media proxy
Message waiting indication
Server redundancy – support for
DIGEST authentication and encryption using MD5 and
Grandstream Networks, Inc. | BT200 User Manual | Page 8 of 37 |
| Firmware 1.1.1.14 | Last Updated: 12/2006 |