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Appendix C
VIP-155PT series Specifications
Product Power over Ethernet SIP IP Phone
Model VIP-155PT
Hardware
WAN 1 x 10/100Mbps RJ-45 port
Power Over Ethernet 802.3af compliant at PT model
LAN 1 x 10/100Mbps RJ-45 port
LCD display 2 x 16 characters
Speaker 8 Ohm/0.2 Watt speaker for speakerphone operation
Protocols and Standard
Standard SIP 2.0 (RFC3261), SIP digest authentication (MD5)
Voice codec G.723.1 (6.3k/5.3k), G.729, G.711 (a-law/u-law)
NAT Traversal Outbound Proxy, STUN
Voice Standard Voice activity detection (VAD)
Comfort noise generation (CNG)
Dynamic Jitter Buffer
Supplementary services Immediate (unconditional) call forwarding
Busy call forwarding
No answer calls forwarding
Calls hold/transferring.
Answer Machine
3-Way conference calls
Call history Incoming call
Outgoing call
Missed (not accepted) call history
Voice Record
Protocols TCP/IP, UDP/RTP/RTCP, HTTP, ICMP, ARP, DNS, DHCP, NTP/SNTP, FTP,
PPP, PPPoE
Network and Configuration
Access Mode Static IP, PPPoE, DHCP
Management Web, Keypad, Telnet
Dimension (W x D x H) 200 mm x 184 mm x 60 mm
Operating Environment 0~40 degree C, 10~90% humidity
Power Requirement 12V DC
(802.3af 48VDC in line power)
EMC/EMI CE, FCC Class B