The GPO Duchess SIP is regal with a classic shape and design. Lovingly designed (in-house) by GPO, the Duchess has a solid, brass finish and traditional cloth handset curly cord.
FEATURES
Easy: GUI
Administration: Web Based speed-dial key setting for m1-m6
Firmware Upgrade via Web
Auto Provisioning
IP Address auto announcement from Handset
Codec: G.711a/u-low/G.723/G.729
Network Protocol: Telnet / http Server / DNS Client
PPPoE / Static / DHCP Client IP assignment.
ToS field / VLAN IEEE 802.1 p/q
SIP: SIP V1 (RFC2543) SIP V2 (RFC3261)
Security: Web Login authentication for web setup
MD5 for SIP authentication (RFC2069/ RFC2617)
Voice Quality: CNG Comfortable Noise Generator
LEC Line Echo Canceller: Jitter Buffer
VAD Voice Activity Detection: Packet Loss Compression
EMI USA: FCC Part 15B,D ICES-003 EU: EN 55022
EMC EU: EN 55024, EN 61000-4-4, EN 61000-3-2, IEC 61000-4-5
EN 61000-3-3, IEC 61000-4-6, EN 61000-4-2, IEC 61000-4-11
RoHS: Comply with directive 2002/95/ EC RoHS (2005/613/EC)
Temperature Storage Operating: -10C to +60C 0C to +40C
