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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 
The enterprise IP PBX SMG-200 connects up to 100 SIP subscribers in basic configuration and can be extended to 200 SIP subscribers when acquiring an appropriate license1. 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. 


    • 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 protocols

      • SIP, SIP-T/SIP-I
      • H.323

      Advanced 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) 
      • OPUS1 
      • 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 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: 
        • Video transmission in the Video Offroad mode

      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
      • Interaction with STUN server via SIP interfaces 
      • Dialing rules for FXO ports  


      • 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 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)


      • 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)

      Quality of Service (QoS)

      • Diffserv assignment for SIP
      • Diffserv assignment for RTP1 


      • Transmission via INBAND, RFC 2833, SIP INFO, SIP NOTIFY methods

      Management and monitoring

      • Alarm logging with opportunity to store entries on syslog server
      • Writing traces to SD card/USB flash  
      • Alarm reporting via SNMP  
      • FXS lines testing and monitoring
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