Maximum number TDM to SIP calls: 128 ¦ Maximum number of concurrent calls: 192 ¦ Maximum number of TLS sessions: 192 ¦ Maximum number of SRTP sessions: 128 ¦ SIP signalling sessions: 100 ¦ Maximum number of call route entries: 1000 ¦ Maximum PRI ports (upgradable): 2
VoIP Protocols
SIP, RTP, RTCP, SRTP
Telephony Interfaces
4 phone (ISDN PRI)
Power
AC 100-240 V (50/60 Hz)
Dimensions (WxDxH)
17.5 in x 12 in x 1.7 in
General
Device Type
VoIP gateway
Height (Rack Units)
1U
Width
17.5 in
Depth
12 in
Height
1.7 in
Expansion / Connectivity
Interfaces
2 x USB 2.0 - Type A ¦ 3 x 1000Base-T - RJ-45 (WAN / LAN) ¦ 4 x ISDN PRI
Networking
Form Factor
External
Connectivity Technology
Wired
Line Rate
T-1/E-1
Data Link Protocol
Ethernet, Fast Ethernet, Gigabit Ethernet
Network / Transport Protocol
NTP, RTCP, RTP, TCP/IP, UDP/IP, DNS, IPSec
Routing Protocol
RIP-2, OSPF
Remote Management Protocol
SNMP 2c, HTTPS, SNMP 3
Performance
Maximum call setup rate: 4 calls per second
Capacity
Maximum number TDM to SIP calls: 128 ¦ Maximum number of concurrent calls: 192 ¦ Maximum number of TLS sessions: 192 ¦ Maximum number of SRTP sessions: 128 ¦ SIP signalling sessions: 100 ¦ Maximum number of call route entries: 1000 ¦ Maximum PRI ports (upgradable): 2
Status Indicators
Power, alarm, peer node, ready
Features
IPv4 support, IPv6 support, DHCP server, DHCP client, firewall protection, DoS attack prevention, DDos attack prevention, Access Control List (ACL) support, NAT support, NAPT support, Quality of Service (QoS), bandwidth control, Call Admission Control (CAC), DiffServ support, DiffServ Code Point (DSCP) support, NTP time synchronization, manageable, Syslog support, optimized for Microsoft Lync, auto-uplink (auto MDI/MDI-X), Session Border Control (SBC), LED status indicators