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ESBC 9378-4B Specifications
Enterprise SIP Gateway (ESG)
Features | Specifications | Datasheet


A. 12V DC Power
B. UPS Port
C. Power Reset Button
D. Battery Off Button
E. Reset Button
F. WAN Port
G. Restore Button
H. External Ground
I. LAN 1-4
J. Phone 1-4
K. Battery Compartment


Product Specifications

Category Specifications
Service Provider Interface Gigabit Ethernet RJ45 Connector
Telephone Interface 4 FXS Voice Ports
PBX Interface of up to 2 T1/E1 trunk ports with PRI
User Data Interface 4 10/100/1000 BaseT Ethernet (RJ-45)


Telephony Specifications

Category Specifications
SIP Trunking Features Implicit, Explicit, and Static Registration support
SIP User Account Authentication – Digest and RADIUS
Secured Registration – TLS
SIP Traversal
SIP Normalization
SIP Header Manipulation
SIP Proxy and Registrar
SIP Method Filtering
SIP Forking support
Monitoring Features – SIP Call Trace, Call Statistics, Voice Quality Monitoring, Test Agent for Test Calls, R-Factor and MOS Calculation
Media Processing (DTMF and Voice CODEC Transcoding)
Profile-based Multiple Proxy support
Networking Features Dedicated Bridge Port
Dedicated Router Port with RIPv2
Built-in DHCP Server
NAT Capabilities for Simultaneous SIP User Accounts
Static IP Routing
NAT Traversal
SIP Application Layer Gateway
Network Access Control by IP Address, Subnet, Port Number, MAC Address or Destination Domain Name
Web GUI with 3 Levels of Page Permissions
Auto-Backup of Configuration
T1/E1 Protocols Framing and Coding:
CCS: Q.921, Q.931, Q.932
PRI: 4ESS, 5ESS, DMS100, NI-1, NI-2, EuroISDN, Q.SIG
Network/CMTS Clock Synchronization
VoIP Protocols SIP 2.0, RFC 2833
SIP RFC Support RFC 1847, RFC 2045, RFC 2046, RFC 2181, RFC 2617, RFC 2782, RFC 2915, RFC 2976, RFC 3261, RFC 3263, RFC 3265, RFC 3311, RFC 3325, RFC 3326, RFC 3420, RFC 3428, RFC 3486, RFC 3515, RFC 3581, RFC 3761, RFC 3824, RFC 3891, RFC 3892, RFC 3903, RFC 4028, RFC 4320, RFC 4474, RFC 4508, RFC 4566, RFC 3264, RFC 3313, RFC 3323, RFC 3327, RFC 3329, RFC 3388, RFC 3605, RFC 3608, RFC 3841, RFC 3911, RFC 3966, RFC 4483, RFC 4488
Network RFC Support RFC 768, RFC 783, RFC 791, RFC 792, RFC 793, RFC 826, RFC 854, RFC 1157, RFC 1256, RFC 1332, RFC 1349, RFC 1519, RFC 1570, RFC 1631, RFC 1661, RFC 1812, RFC 1918, RFC 2131, RFC 2571, RFC 2572, RFC 2573, RFC 2574, RFC 2575, RFC 2578, RFC 2579, RFC 2580, RFC 2865
Speech Codec Capabilities G.711, G.726 (No compression & simple compression)
G.728, G.729E (High quality high complexity codecs)
G.723.1, G.729A (Low bit rate codecs)
Signal Processing G.168 Echo cancellation
Loop Back
FAX (T.38 and G.711 fall-back)
Caller ID FSK signal regeneration
Tones Ring back tone
Busy tone
Recorder tone
5 distinct rings
Dial tone
Confirmation tone
Ring splash
Stutter tone
Off hook warning tone
Message waiting indicator (MWI)
Caller ID generation & call waiting tone
Configurable ring frequency
DTMF Tone DTMF tone detection and generation
Announcements Play out any voice stream sent by Call Agent controlled announcement server
OAM&P Access components implemented:
Works with any SNMP (v.1-3) -based EMS
Offers web-based access as well as TFTP-based remote software downloads
or upgrades
VPN Server for remote management of end devices
Dual image capability
Data monitoring throughput tools
QoS Voice Bandwidth Reservation QoS, Device Initiated DQoS and DQoS-Lite, DQoS using Packetcable Multimedia, Type of Service, VLAN Tagging


Physical Specifications

Category Specifications
Loop Current For load of 520Ω, SNMP-settable to 23 mA (default) or 32 mA (max.)
Ring Voltage > 40 Vrms @ 2000 ft.
5 REN max. per port
24 AWG loop
On Battery Li-ion battery providing 4 hrs Talk Time
Power Supply AC 100~240V/50~60Hz (DC 12V @ 4.0 Amps)
Dimensions 2.5 in (H) x 7.8 in (W) x 6.0 in (D) / 63.5 mm (H) x 198 mm (W) x 152 mm (D)
Approval UL, FCC Part15A
Operating Temperature 32°F to 104°F (0°C to 40°C)
Storage Temperature -4°F to 140°F (-20°C to 60°C)
Operating Humidity Up to 80% RH
Storage Humidity Up to 80% RH
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