SIP IP Phone User Manual
7
2. Software Features and Specification
Application:
z
ISP/ITSP (Internet Telephony Service Provider)
z
IP-PBX with office telephony services
z
Multi-nation
enterprise communication
z
SOHO
Telephony
Calling Features
z
Call
Hold
z
Call
Transfer
z
Call
Forward
z
5 configurable speed dials
Network Supported
z
Fixed
IP
z
Dynamic Host Configuration Protocol (DHCP)
z
PPPoE connection (When PPPoE disconnect, SIP IP Phone (IPP-120) can
automatically re-connect)
z
Behind NAT IP Sharing Device
z
Support QOS by setting DSCP (Differentiated Service Code Point) parameters of VoIP
packet
Audio Features
z
G.711 a/µ-Law, G.723.1, G.729, G.729a
z
VAD,
CNG
z
Programmable Dynamic Jitter Buffer
z
Bad Frame Interpolation
z
Gain/Attenuation
Settings
Provisioning and Configuration
z
SIP (RFC3261) compliance
z
LCD configuration password protection
z
Provide Proxy Mode or Peer-to-Peer Mode (Non Proxy Server needed) selection
z
Ring tone, Speaker and Handset volume adjustable
z
Support DNS server inquiry
Management Features:
