Development and manufacturing of telecommunication equipment

Office IP PBX SMG-200

Key Benefits
  • IP PBX for up to 200 subscribers
  • Up to 50 simultaneous calls
  • Up to 16 FXS/FXO ports
  • 4 LAN ports
  • Call-center functionality
  • Call recording
Short description 
Office IP PBX SMG-200 connects up to 100 SIP subscribers in basic configuration and can be extended to 200 SIP subscribers  when acquiring appropriate firmware1. 16 RJ-11 ports can be used for analogue phones connection as well as for connection to land lines. The LAN ports are dedicated to carriers connection via SIP trunks and for extension of FXS/FXO ports quantity via VoIP gateways (e.g. you can use TAU-24 which has 24 FXS ports). Call records and CDR files are stored on SD card or USB flash drive. It is also possible to upload files to FTP server automatically. 

Use Case

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  • 16 FXS (FXO1) 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 protocols
  • H.3231
Advanced SIP/SIP-T/SIP-I features
  • SIP and SIP-T/SIP-I interaction
Voice codecs
  • G.711 (a-law, μ-law) 
  • G.729 (A/B) 
  • OPUS
  • AMR1
Voice standards
  • VAD (Voice Activity Detection)
  • CNG (Comfort Noise Generation)
  • AEC (echo cancellation, G.168 recommendation)
  • Interactive voice response system (IVR) with graphic editor
  • DISA - Direct Inward System Access
  • Call queue:
    - Various algorithms for carriers selection
    - Calls distribution taking into account the Client repeated calls 
  • User account with configurable personal VAS lists, call records and phone book1
  • Autoprovision for IP phones1
  • Integration with LDAP1
  • Reporting system for operators/groups of operators (processed calls, missed calls, average timeout,
  • etc.)
Call management
  • Number modifications before and after routing
  • Call recording according to parameters
  • 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
  • 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
  • Single file of configuration
  • Multiple network interfaces creation for telephony (SIP, RTP) with different IP addresses
  • Operation with multiple numbering plans
  • Voice activity control (by the presence of RTP or RTCP)1
Value Added Services
  • Call 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 by timetable (week days/time)1
  • Call Transfer
  • Speed Dial1
  • SIP Forking1
  • Music on Hold (MOH)
  • Call Hold
  • Call Hunt
  • Call Pickup
  • Busy Lamp Field
  • Conference, Add-on (CONF)1
  • Conference by list1
  • 3-Way conference
  • Intercom1
  • Paging Call1
  • Call Queue
  • Сall Back when the position in queue is reached1
  • Voice Mail1
  • Intervention1
  • Call Recording
  • Phone book1
  • Personal black list1
  • Call Park1
  • PIN Code Access
  • Follow me
  • Follow me on no response
  • Notification on missed calls by email1
  • Do not disturb (DND)1
  • Black and white IP addresses lists for registration
  • Attempts to access the 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 the device
  • Access rights delimitation - admin/user
  • Authentication of SIP subscribers
  • RADIUS authentication (RFC 5090, Draft-Sterman)
Quality of Service (QoS)
  • Diffserv assignment for SIP
  • Diffserv assignment for RTP
  • Transmission via INBAND, RFC 2833, SIP INFO, SIP NOTIFY methods
Management and monitoring
  • Alarm logging with opportunity to store entries on syslog server
  • Tracings are stored on SD card/USB flash
  • Emergency notification via SNMP1
Power supply
  • AC network: 220V, 50 Hz
  • Battery: 12V
¹Not supported in the current firmware version (3.11.0)