Enterprise IP PBX SMG-200

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. 

Use Case

¹Optionally

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)

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 dialing and DTMF

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

• 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

Flexibility

• 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
• 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
• Call Recording
• PIN Code Access
• Follow me
• Follow me on no response
• Do not disturb (DND)¹
• 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)

Security

• 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 RTP¹ 

DTMF

• 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
• VoIP channels monitoring in web interface
  

Power supply

• AC network: 220V, 50 Hz
• Battery: 12V

^¹Not supported in the current firmware version (3.11.2)