Interfaces- 16 FXS/FXO RJ-11 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
- 1 COM port (RS-232, RJ-45)
VoIP protocolsAdvanced SIP/SIP-T/SIP-I features- SIP and SIP-T/SIP-I 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)
- AGC (Automatic Gain Control) (for FXS/FXO ports)
Functions- Interactive voice response system (IVR) with graphic editor
- DISA - Direct Inward System Access
Call queue:
- Various algorithms for operators selection
- Calls distribution taking into account the client repeated calls
- Reporting system for operators/groups of operators (processed calls, missed calls, average timeout, etc.)
- Pulse and tone dialing
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:
- Transmitting a video stream using 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 configuring
- Trunk group cut-off
- Direct connection of trunk groups
- Prefix for few trunk groups
- Limiting the number of simultaneous calls to a SIP interface
- Ingress load limiting (calls per seconds) for a trunk group
- Interaction with STUN server via SIP interfaces
- Dialing rules for FXO ports
- Hotline for FXS ports
- Routing by Called Party Number (CdPN) and/or Calling Party Number (CgPN)
Billing- Billing data is recorded in CDR file. CDR files are written on a local SD disk, USB flash or remote FTP server concurrently
- RADIUS Accounting
- Supported billing systems:
- Hydra Billing
- LANBilling
- PortaBilling
- NetUP
- BGBilling
- Possible integration with other systems
Quality of Service (QoS)- Diffserv assignment for SIP
- Diffserv assignment for RTP*
DTMF- Transmission via INBAND, RFC 2833, SIP INFO, SIP NOTIFY
Flexibility- Uploading/downloading configuration as a single file
- Creating multiple network interfaces for telephony (SIP, RTP) with different IP addresses
- Operation with multiple dial plans
- Voice activity control (by the presence of RTP or RTCP)***
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 Transfer
- Music on Hold (MOH)
- Call Hold
- Call Hunt
- Call Pickup
- Busy Lamp Field
- Add-on сonference (CONF)
- Conference for a list of subscirbers
- 3-Way conference
- Intercom
- Paging Call
- Call Queue
- Сall Back when the position in queue is reached*
- Call Recording
- PIN Code Access
- Follow me
- Follow me on no response
- Do not disturb (DND) with white list
- Blacklist
- Calling Line Identificator Presentation (CLIP) in FSK formats (ITU-T V.23; Bell 202), DTMF, "Russian CLI"
- Caller ID and time of a call issuing in FSK mode
- Caller Line Identification Restriction (CLIR) (for FXS ports)
- Intervention
- Voice mail
- One Touch Record
- Speed Dial for FXS ports
Flexibility- Uploading/downloading configuration as a single file
- Creating multiple network interfaces for telephony (SIP, RTP) with different IP addresses
- Operation with multiple dial plans
- Voice activity control (by the presence of RTP or RTCP)*
Management and monitoring- Alarm logging with the option of storing entries on the syslog server
- Storing traces on SD card/USB storage device
- Alarm reporting via SNMP
- FXS lines testing and monitoring
- Telephone connection display (FXS)
- Automatic logging activation after gateway restart
- Monitoring of active sessions of the web interface users
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
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 IP addresses allowed to manage the device
- Multilevel access permission
- SIP subscribers authentication
- RADIUS authentication (RFC 5090, Draft-Sterman)
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*Not supported in the current software version