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      Digital VoIP E1 Asterisk Card/PRI/SS7/IVR/Hardware Echo Cancellation Module 
        
Model Number: 1-port Asterisk card-2
Brand Name: Houyuan
Key Specifications/Special Features:
Product features:New version, our second generation digital cardsSupports EC module with octasic EC chipHardware channel switchingMore efficient proces... | 
      2017-12-28 | 
    
        
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      IP PBXs, Two Lines VoIP Phone Network System with Skype for SIP 
        
Model Number: IPPBX//002
Brand Name: houyuan
Key Specifications/Special Features:
		Features:IP PBXs, VoIP phone, network systemOpen source asteriskOperation system: uC LinuxConfigurable IVR meueOver 50 to 100 available SIP/IAX2 extensions for S... | 
      2017-12-27 | 
    
        
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      IP Phone All-in-one PBX 
        
Model Number: IPPBX-08-8
Brand Name: HOUYUAN
Key Specifications/Special Features:
		Features:VoIP systems/IP PBXOpen source asteriskConfigurable IVR menuOver 50 to 100 available SIP/IAX2 extensions for SMB use20 concurrent callsCall forward, wai... | 
      2017-12-15 | 
    
        
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      VoIP Gateway, Features IVR, Inbound Route, Outbound Route, Billing and Invoice 400P 
        
Model Number: voip TDM400P
Brand Name: HOUYUAN
Key Specifications/Special Features:
		The card is fully compatible with all analog Digium and other similar analog cards and modules with no changes to the driversFXO modules are used to plug exist... | 
      2017-12-13 | 
    
        
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      16 Ports VOIP Gateway, Supports SIM Bank 16 Channels SIM Cards 
        
Model Number: HY2000-VF-16-#0051
Brand Name: HOUYUAN
Key Specifications/Special Features:
		Speech characteristics Protocols: SIP v2.0, RFC3261 G.711a/μ law, G.723.1, G.729A/B Silence suppression and detection Comfort noise generation (CNG) Voic... | 
      2017-11-10 | 
    
        
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      24 ports FXO/FXS PCI-E VoIP asterisk card,supports Linux system,very practical IPPBX 
        
Model Number: 24-port Asterisk card
Brand Name: Houyuan
Key Specifications/Special Features:
Product introductionTDM2400PN is a telephony card working on open source Asterisk IP PBX system which supports 1 to24 FXO or FXS ports, the portscan be ... | 
      2017-10-13 | 
    
        
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      4-port VoIP E1/T1/J1 Asterisk Card, Supports PRI, SS7/libss7/chan-SS7, for IVR, Call Center 
        
Model Number: 4-port Asterisk card
Brand Name: Houyuan
Key Specifications/Special Features:
Product features:New version, our second generation digital cardsSupports EC module with octasic EC chipHardware channel switchingMore efficient processi... | 
      2017-09-30 | 
    
        
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      8-port VoIP IP PBX system with 3FXO+5FXS modules Asterisk cards 
        
Model Number: IP-PBX#008-#0124
Brand Name: HOUYUAN
Key Specifications/Special Features:
		Hardware.CPU: 400MHz Blackfin 532 Chip.Flash: 256 MB (supports MMC).SDRAM: 64MB.LED*13.Programmable reset buttonInterface.2 x RJ45 port1 x UART interface1 ... | 
      2017-09-30 |