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Appendix B VIP-156 / VIP-157 Specifications
Product SIP Telephone Adapter
Model VIP-156 VIP-156PE VIP-157 VIP-157S
Hardware
LAN 1 x 10/100Mbps RJ-45 port (802.3af PoE for VIP-156PE)
PC 1 x 10/100Mbps RJ-45 port
FXS (for telephone set
connection)
1 x RJ-11 2 x RJ-11
FXO (PSTN connection) --- 1 x RJ-11 ---
Protocols and Standard
Standard SIP 2.0 (RFC3261)
Voice codec G.723.1 (6.3k/5.3k), G.729A, G.729B, G.711
Voice Standard Voice activity detection (VAD)
Comfort noise generation (CNG)
Acoustic echo canceller (AEC)
G.165: Line echo canceller (LEC)
Jitter Buffer
Protocols SIP 2.0 (RFC-3261), TCP//IP, UDP/RTP/RTCP, HTTP, ICMP, ARP, DNS,
DHCP, NTP/SNTP, PPP, PPPoE
Network and Configuration
Access Mode Static IP, PPPoE, DHCP
Management Web, keypad
Dimension (W x D x H) 94 x 72 x 30 mm
Operating Environment 0~40 degree C, 10~95% humidity
Power Requirement 12V DC
EMC/EMI CE, FCC Class B