8FXS+8FXO with 4LAN:
SIP: RFC3261 - Session Initiation Protocol,MGCP V1.0, RFC3435 (optional)
PHYSICAL INTERFACE:
VoIP Interface:
Up to 16 FXS or 16 FXO ports
Network Interface:
SC-016 16FXS/16FXO or 8FXS+8FXO: 4LAN, 10/100M Base-T, RJ-45
SIGNALLING & PROTOCOL:
SIP: RFC3261 - Session Initiation Protocol
MGCP V1.0, RFC3435
VOICE & FAX:
Voice over Packet Capability: G.168-2002 compliant Echo Cancellation, Voice Activity
Detection (VAD), Comfort Noise Generation(CNG), Dynamic Jitter Buffer(DJB), Packet Loss
Concealment(PLC).
Voice Codec: G.711 a-law/μ-law, G.723.1, G.729A/B
DTMF mode: RFC2833, SIP INFO, INBAND
FAX over IP: T.38. Up to 14.4 kbps

MANAGEMENT:
Firmware update: TFTP, FTP, WEB
Configuration & Monitoring: Configuration & Monitoring via WEB, TELNET, iBMS/NMS
Configuration backup & Upload: Configuration update & backup via WEB browser
Central Managed: SNMP V1/V2, TR-069 & TR-104
Syslog Protocol: RFC5424. Syslog level: DEBUG, NOTICE, WARNING, ERROR