PSTN:
• Up to four T1/E1/PRI ports (NE/TE)
• Signaling support (ISDN DSS-1, NI-2, Q.SIG, CAS Robbed bit loop and ground start, E&M, immediate, wink, double wink)
• ISDN AOC/ECT
• ISDN speech, audio & data (Fax Gr 4, UDI 64, RDI64)
• ISDN supplementary services
• CAS protocols: RBS (Loop start, ground start, E&M wink, intermediate, double-wink) and R2/MFC-R2 (Q.400–Q.490 and Configurable country profiles), fallback-relays on 4 port versions
VoIP:
•SIPv2 (SIP Info, Update, PRACK, Privacy, Refer), B2BUA, H.323v4 (H.235, Early H.245, H.245 tunneling, fast-connect)
Voice Processing:
•Codec G.711 a-law/mu-law, G.723, G.729ab, G.726, G727, T.38 fax relay (9.6 k, 14.4 k)
• G.711 transparent fax and bypass
• 128 ms echo cancellation
Call Routing and Services:
• Regular expression call routing and manipulation
• number blocking
• short-dialing
• digit collection, distribution and hunt groups
Data Interfaces:
•One 10/100/1000 TX Ethernet Port
• Autosensing
• Auto-MDI
• Full-duplex
Management:
•Web/HTTP, CLI with local console & remote Telnet access
• HTTP/TFTP configuration & firmware loading
• SNMP MIB II and product MIB
• SYSLOG
• Secure autoprovisioning for both firmware & unit/subscriber configuration
• Built-in diagnostic tools (trace, debug, call generator)
Power:
• Internal Power: 100–240VAC (50/60 Hz)