Interfaces- 4 Е1 (RJ-48) ports
- 4 ports of Ethernet 10/100/1000Base-T (RJ-45)
- 1 port of USB2.0, 1 port of USB3.0
- 1 slot for SD card (SDHC)
- 1 COM port (RS-232, RJ-45)
VoIP protocolsAdvanced SIP/SIP-T/SIP-I features- SIP and SIP-T/SIP-I interaction
TDM protocols- SS7
- PRI (Q.931)
- Q.699 (PRI and SS7 interaction)
Voice codecs- G.711 (a-law, μ-law)
- G.726
- G.729 (A/B)
- OPUS*
- AMR*
Voice standards- VAD (Voice Activity Detection)
- CNG (Comfort Noise Generation)
- AEC (echo cancellation, G.168 recommendation)
Functions- Interactive voice response system (IVR) with graphic editor
- DISA - Direct Inward System Access
Call queue:
- Various algorithms for operators selection
- Call distribution considering repeated calls from clients
- Reporting system for operators/groups of operators (processed calls, missed calls, average waiting time etc.)
Phone book:
- Creating a phone book from station subscribers list
- Transferring a phone book to subscribers via LDAP
- Obtaining a display name from LDAP server
Video processing:
- Video transmission in the Video Offroad mode
Call management- Number modifications before and after routing
- Call recording according to parameters
- Routing by access category
- Subscriber lines restriction
- Subscriber service mode configuration
- Trunk group cut-off
- Direct connection of trunk groups
- Prefix for multiple trunk groups
- Limiting the number of simultaneous calls to the SIP interface
- Ingress load limiting (call per second) for a trunk group
- Interaction with the STUN server on a SIP server
- Routing by Called Party Number (CdPN) and/or Calling
- Party Number (CgPN)
Quality of Service (QoS)- Diffserv assignment for SIP
- Diffserv assignment for RTP*
DTMF- Transmission via INBAND, RFC 2833, SIP INFO, SIP NOTIFY
Supplementary ServicesCall Forwarding:
- Call forwarding on out of service (CFOS)
- Call forwarding on no reply (CFNR)
- Call forwarding unconditional (CFU)
- Call forwarding on busy (CFB)
- Call forwarding on time (CFT)
- Call Transfer
- Music on Hold (MOH)
- Call Hold
- SIP-forking support for SIP subscribers
- Call Hunt
- Call Pickup
- Call Parking
- Busy Lamp Field
- Add-on conference (CONF)
- Conference based on subscribers list
- 3-Way conference
- Intercom
- Paging Call
- Call Queue
- Сall Back when the position in queue is reached
- Call Recording
- PINCodeAccess
- Follow me
- Follow me on No Response
- Do not disturb (DND) with whitelist
- Blacklist
- Intervention
- Voice mail
- One Touch Record
Flexibility- Uploading/Downloading configuration as a single file
- Creating multiple network for telephony (SIP, RTP) with different IP addresses
- Operation with multiple dial plans
- SS7 signal channel redundancy
- Voice activity control (by the presence of RTP or RTCP)*
Security- Black and white IP addresses lists for registration
- Logging of attempts to access the device
- 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 the device
- Multilevel access permission
- SIP subscribers authentication
- RADIUS authentication (RFC 5090, Draft-Sterman)
Billing- Billing data is recorded to CDR file. Simultaneously, CDR file is recorded to a local SD disk, USB storage device or remote FTP server
- RADIUS Accounting
Supported billing systems:
- Hydra Billing
- LANBilling
- PortaBilling
- NetUP
- BGBilling
- Integration with other systems is possible
Management and monitoring- E1 and VoIP flow channels monitoring via web interface
- Channels and SS7 signal links management via web interface
- Alarm logging with the option of storing entries on the syslog server
- Storing traces on SD card/USB storage device
- Alarm reporting via SNMP
- Automatic logging activation after gateway restart
- Monitoring of active sessions of the web interface users
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*Not supported in the current firmware version