VoIP ATAs(FXS)

VoIP ATAs (FXS) VoIP ATA (Analog Terminal Adapter) is a telephone extension to the IP network. It offers a traditional telephone line (PSTN) interface to an analog telephone, PBX line extension, or a fax machine. Its WAN port interface allows access to the IP network in order to offer voice and fax services. It is a great way for turning a traditional PBX to access the low cost VoIP services and for deploying VoIP service by an ISP. An additional Ethernet port allows broadband connection for the existing PC or other network device without buying additional network equipment. It is an ideal low cost product for SME and SOHO IP telephony application. HT-912 (1-FXS Port) Support dual protocols: ITU-H.323 V4 and IETF SIP V2 Provide 1 RJ-11 port for a POTS phone or a PBX's trunk line Provide 2 RJ-45 Ethernet Ports Support call forward/transfer/hold, phone book Support G.711 A/μ law, G.729A/B, G.723.1 Codecs Support QoS, NAT transversal and router function Support VAD, CNG, EC HT-922 (2-FXS Port) Support dual protocols: ITU-H.323 V4 and IETF SIP V2 Provide 2 RJ-11 port for POTS phone or a PBX's trunk line Provide 2 RJ-45 Ethernet Ports Support call forward/transfer/hold, phone book Support G.711 A/μ law, G.729A/B, G.723.1 Codecs Support QoS, NAT transversal and router function Support VAD, CNG, EC HT-842R (4-FXS Port) Support dual protocols: ITU-H.323 V4 and IETF SIP V2 Provide 4 RJ-11 port for POTS phones or PBX's trunk lines Provide 2 RJ-45 Ethernet Ports Support single or multiple registrations Support hunt line, call forward/transfer/hold, phone book Support G.711 A/μ law, G.729A/B, G.723.1 Codecs Support QoS, NAT transversal and router function Support VAD, CNG, EC HT-882 (8-FXS Port) Support dual protocols: ITU-H.323 V4 and IETF SIP V2 Provide 8 RJ-11 port for POTS phones or PBX's trunk lines Provide 2 RJ-45 Ethernet Ports Support single or multiple registrations Support hunt line....

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