Welltech LP-201 Mar-11-2005 - Manual (Page 12)

SIP SIP-Phone Administration Guide
11
2. Software Features and Specification
Application:
ISP/ITSP (Internet Telephony Service Provider)
IP-PBX with office telephony services
Multi-nation enterprise communication
SOHO Telephony
Calling Features
Call Hold
Call Transfer
Call Forward
10 sets last number Redial
Ten configurable speed dials
Network Supported
Fixed IP
Dynamic Host Configuration Protocol (DHCP)
PPPoE connection (When PPPoE disconnect, SIP-Phone can automatically
re-connect)
Behind NAT IP Sharing Device
Support QOS by setting DSCP (Differentiated Service Code Point) parameters of VoIP
packet
Support 802.1p1q (VLAN)
Audio Features
G.711 a/µ-Law, G.723.1, G.729, G.729a
VAD, CNG
G.165/G.168 compliant echo cancellation
Programmable Dynamic Jitter Buffer
Bad Frame Interpolation
Gain/Attenuation Settings