Physical Specifications
- Width: 19 in rack mount; 17.5 in / 44.5 cm
- Height: 1U 1.75 in / 4.4 cm
- Depth: 17.5 in / 44.5 cm
- Weight: 16 lbs. / 7.3 kg*
- Power: 2.3 amps @ –48 VDC
- Communication Ports:
- Two RS-232 Ports
- Two 10/100 Ethernet ports
- Dual PCMCIA slots for program update & database backup
- One Test Access Jack*
- Hot-swappable Cooling Module
Interfaces
- Two software-selectable T1/E1 digital spans (expandable to six spans with optional MET module)*
- Up to 24 analog line circuits*
- Four ISDN BRI-S*
- E&M/SF Trunks*
- GSRD/LSRD Trunks*
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Signaling
- DTMF & RFC 2833
- MF/R1, FG-C&D
- MFC R2
- ISDN PRI (ANSI & Euro)
- SS7/C7
- SIP RFC 3261
Subscribers
- Up to 1,000 registered IP subscribers per shelf
- Loop lengths up to 1900 Ω
- GR-303
- V5.2
- FXO/FXS
- ISDN BRI
Available Features
- ISDN PRI / BRI
- EURO ISDN
- Conferencing: Preset, Meet-me, Progressive
- Inter-SLICE Link (ISL)
- ClusterNet™ Network Technology
- CLASSSM Features
- Lawful Intercept (CALEA)
- LNP
- Emergency Services (911)
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Select Capabilities
- Dual Stack IP (IPv4, IPv6)
- Dynamic Host Configuration Protocol (DHCP)
- Domain Name System (DNS)
- Network Time Protocol (NTP)
- Secure Telnet (SSL)
- Secure TCP for notes, SMDR, and traffic dumps
- SIP Call Controller
- Bandwidth Management (IP Subscribers & IP Trunks)
- RFC 3261, 3326, 4028
- SIP Telephones (hardphone & softphone)
- Fax over IP: T.38, Media Gateway Conversion (MGC) & Auto
- Modem over IP: V.150.1
- Call Data Records
- Audio Streaming RTP (RFCs 3550, 3551, 3389)
- Packet Loss Concealment
- Silence Suppression: VAD/CNG
- Telephony Tones: RFC 2833
- Voice Compression: Codecs G.711A&µ, G.723.1H&L, G.726 (16, 24, 32, 40 kb/s), G.729A&B
- Quality of Service (QoS): DiffServ
- Echo Cancellation
- User Recorded Announcements
- CLASS and Intercept Announcements
- VLAN Tagging
- Percentage Trunking
- Select SIP-based features
- DSCP (Differentiated Services Code Point)
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