PBX200-2S2O is an IP telephony system, which is used to help small and medium-sized enterprises establish a convenient and high-efficient communication way.

The gateway provides 2 FXO ports and 2 FXS ports, and meanwhile, it can be extended based on the Session Initiation Protocol (SIP). Interworking with traditional PBX and third-party IPPBX systems, it allows users to communicate through voice, fax, data or video.

Besides, PBX200-2S2O supports VPN, encryption, and security strategies, and thus ensures secure communication. It can be widely used in small and medium-sized call centers, enterprise branches to improve work efficiency and save communication costs.








What is Hosted PBX? | Sarvosys

Key Features

  • Supports up to 500 SIP users and 30 concurrent calls
  • Supports 2 FXO and 2 FXS ports with lifeline capability
  • Flexible dial rules based on time, number or source IP
  • Supports Multi-level IVR (Interactive Voice Response)
  • Built-in VPN server/client
  • Support voicemail/ Voice recording
  • User-friendly web interface, classification of web user’s rights



Increase Your Business Flexibility Globally With VoIP


High Reliability IP PBX

  • 5,000 SIP Extensions, up to 300 Concurrent Calls
  • Reliable IPC Architecture
  • Redundant Power Supplies
  • Hot Swappable Interfaces Boards (FXS/FXO/E1/T1/LTE/GSM)
  • IP/SIP Failover
  • Multiple SIP Trunks
  • Flexible Routing



PBX Business Phone System based on VoIP | CloudTalk

Open Hardware Platform for


  • Platform-based on X86
  • Easy to Install 3rd Party IP PBX such as Asterisk, Freeswitch, 3CX, Issabel, VitalPBX Software
  • Open API
  • Install Your IP PBX Software, Match Your Applications
  • IP PBX Solution for Industry Verticals


Physical Interfaces

  • FXS: 2 *FXS Ports
  • FXO: 2 * FXO Ports
  • USB Interface: 1* USB2.0

     Ethernet Interfaces

  •   1 WAN, 100/1000M, Base-T, RJ45
  •   1 LAN, 100/1000M, Base-T, RJ45
  • 1*SD card slot 1* Console port
  • LED Indicators: PSTN Line, FXS, USB, SD, PWR/RUN


  • Connector: RJ11
  • Caller ID: Bellcore Type 1&2, ETSI, BT, NTT and DTMF
  • Answer and Disconnect Signaling: Answer, Disconnect, Busy Tone Polarity Reversal
  • Hook Flash


  • Connector: RJ11
  • Caller ID: FSK, DTMF
  • Polarity Reversal
  • Answer Delay
  • Detection of Busy Tone
  • Detection of No Current
  • Auto Match of FXO Impedance



  • Power Supply: 12VDC, 2A
  • Power Consumption: 18W
  • Operating Temperature. 0 ℃ ~ 40 ℃
  • Storage Temperature: -10 ℃ ~90 ℃
  • Humidity: 10%-90% non-Condensing
  • Dimensions (W/D/H):
  • 240×180×35mm
  • Unit Weight: 1 kg


Voice Capabilities

  • VoIP Protocols: SIP over
  • Codecs: G.711a/μ law, G.723.1, G.729A/B
  • Silence Suppression
  • Comfort Noise Generator(CNG)
  • Voice Activity Detection(VAD)
  • Echo Cancellation: G.168 with up to 128ms
  • Dynamic Jitter Buffer
  • Adjustable Gain Control
  • Automatic Gain Control (AGC)
  • Call Progress Tones: Dial Tone, Ring Back Tone, Busy Tone
  • FAX: T.38 and Pass-through NAT: STUN/UPnP
  • DTMF: RFC2833/Signal/Inband VPN Server/Client


  • Web GUI Configuration Telnet Management
  • Configuration Restore/Backup
  • Multiple Languages Supported
  • HTTP/TFTP/FTP Firmware Upgrade
  • Auto Provision
  • Syslog
  • Ping and Tracert
  • Traffic Statistics: TCP, UDP, RTP Network Capture
  • NTP
  • Classification of Web Users’ Rights

PBX Services

  • Call Forward (Unconditional/No Answer/Busy)
  • Call Waiting
  • Call Holding
  • Call Transfer
  • Hotline
  • Do-not-disturb
  • 3-Way Conference Ring Group
  • Call Queue
  • Routing Groups
  • Caller/Called Number Manipulation
  • Routing Based on Time Period
  • Routing Based on Caller/Called Prefixes
  • Routing Based on Source Trunks
  • Dial Rules Failover Routing Multi-level IVR
  • Auto-attendant Function CDRs
  • Voicemail
  • Local Recording (Support USB Storage)
  • Up to 500 SIP Extensions
  • Up to 30 Concurrent Calls Paging
  • Event Report
  • Email Client
  • Voicemail to Email