Calls management
- Interaction with STUN-server on the SIP interface
- Routing based on called number (CdPN) or calling number (CgPN)
- Number modifications before and after routing
- Call recording according to number mask and dialplan1
- Use of multiple dialplans
- Subscriber lines restriction
- Subscriber service mode settings
- Trunk group cut-off
- Call management via RADIUS1
- Direct connection of trunk groups
- Prefix for several trunk groups
- Interactive voice menu (IVR)1
- Uploading/downloading of configuration as a single file
- Lines limiting for SIP interface
- Egress and ingress lines restrictions for a subscriber
- Ingress load limiting (calls per seconds) for a trunk group
Voice codecs
- G.711 (a-law, µ-law), G.729 (A/B), G.723.1, G.726 (32 Kbps)
Fax transmission
- T.38 Real-Time Fax, G.711 (a-law, µ-law) pass-through
Voice standards
- VAD (Voice Activity Detection)
- CNG (Comfort Noise Generation)
- AEC (echo cancellation, G.168 recommendation)
- AGC (automatic gain control)
Quality of service (QoS)
- Diffserv and 802.1p priorities assignment for SIP and RTP
- Dynamic and Static jitter buffer
- Ingress/egress traffic rate limiting
DTMF
- INBAND, RFC 2833, SIP INFO, SIP NOTIFY transmission methods
Billing
- Billing data is recorded in CDR file. CDR files are kept on a local HDD and
-
remote FTP server.
- RADIUS Accounting
- Supported billing systems: Hydra Billing, LANBilling, PortaBilling, NetUP,
-
BGBilling (there is an opportunity of integration with other systems)
Flexibility
- Multiple network interfaces creation for telephony (SIP, RTP) with
-
different IP addresses
- Operation with multiple numbering plans
- Signal SS7 channel redundancy
- Voice activity control (by the presence of RTP or RTCP)
- Individual routing for streams of a single SS7 linkset
TDM protocols
- SS7
-
PRI (Q.931)
-
Q.699 (PRI and SS7 interaction)
-
V5.2 LE1
-
V5.2 AN1
VoIP protocols
- SIP, SIP-T/SIP-I, SIP-Q
-
H.3231
-
SIGTRAN (M2UA, IUA)1
-
H.2481
Capacity and perfomance
- up to 768 VoIP channels
- up to 16 Е1 streams (RJ-48)
- Maximum load intensity 14 cps
Interfaces
- 2 x 1000Base-X ports (2 slots for SFP modules)
- 3 x 10/100/1000Base-T (RJ-45) ports
- E1 (2 x CENTRONICS-36 connectors)
- 2 SATA ports (for SSD modules installation)
Management and monitoring
- E1 and VoIP channels monitoring in web interface
- Management of channels and SS7 links in web interface
- Alarm logging with the opportunity to save entries to syslog server
- Tracings are stored on HDD and USB storages
- Emergency notification through SNMP
Security
- Black and white IP addresses lists
- Attempts of access to device are logged
- Automatic blocking by IP address after unsuccessful login attempts or/and access via http/https/telnet/ssh
- List of permitted IP addresses for access to control of the device
- Access rights delimitation – admin/user
- Delimitation of rights to access calls records
- Control of opposite RTP stream’s source IP address
- Authentication of subscribers on RADIUS server and SIP registar
- Digest authentication (RFC 5090, Draft-Sterman)
- Digest authentication in RADIUS (RFC 5090, Draft-Sterman)
Redudancy
- Operation in warm redundancy mode 1+1
- The system switches the redundant part on automatically
- Automatic synchronization of main redundant module settings
Advanced SIP/SIP-T/SIP-I functionality
- Registration and authentication of up to 3000 SIP subscribers 1
- VAS support for up to 3000 SIP subscribers 1
- SIP and SIP-T/SIP-I interaction
- Trunking and subscriber registration of SIP trunks
- Transit registration of subscribers on SIP trunk with switching to local service mode in case of server unavailability
Value added services1
- Call Forwarding
- Call forwarding out of service (CFOS)
- Call forwarding on no reply (CFNR)
- Call forwarding unconditional (CFU)
- Call forwarding on busy (CFB)
- Call Transfer
- Music on Hold (MOH)
- Call Hold
- Call Hunt
- Call Pickup
- Busy Lamp Field
- Conference add-on (CONF)
- Conference for a list of subscribers
- 3-Way conference
- Intercom
- Paging
- Outgoing calls restrictions
- Egress communication by password (RBP)
- Password activation (PWD ACT)
- Password reset (PWD)
1 Оptional
Current firmware version 3.14.0
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Operational lifetime of the ELTEX equipment
Mass production is over
4
Regardless of the operational lifetime stage, Eltex provides a 12 months warranty on all its telecommunication equipment.
During the warranty period the manufacturer ensures technical support and free-of-charge repair at the Enterprise which is situated in Novosibirsk.
As part of the warranty service, technical support is provided on the first-in first-out principle.
The priority support packages of 8/5 and 27/7 types are subjects to additional charges.