PSTN Bypass Gateways

PSTN Bypass Gateways FXS with Bypass Gateways have the function to escape, and ordinary telephone line backup. This series gateways can meet need of H.323 and SIP systems for operators, and do not required to upgrade when convert SIP and H.323 protocol. The Gateways provide a standard 24V FXS phone interface complies with the ITU Telecommunications Standards, Can meet a variety of standard telephone and cordless phones. Regular telephone line backup port can be inbound and outbound, caller ID are forwarded directly to the phone. The gateway is set flexible, thin, light and full-featured, low temperature, and good sound quality HT-812P (1-FXS Port with a PSTN Bypass Port) Support dual protocols: ITU-H.323 V4 and IETF SIP V2 Provide 1 RJ-11 port for a POTS phones or a PBX's trunk line Provide 2 RJ-45 Ethernet Ports Provide 1 RJ-11 port for PSTN Life Line (Bypass only) Support single or multiple registrations 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-822P (2-FXS Port with a PSTN Bypass Port) Support dual protocols: ITU-H.323 V4 and IETF SIP V2 Provide 2 RJ-11 port for POTS? phones or PBX's trunk lines Provide 2 RJ-45 Ethernet Ports Provide 1 RJ-11 port for PSTN Life Line (Bypass only) 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-522 (2-FXS Port with 2-PSTN Bypass Port) Support dual protocols: ITU-H.323 V4 and IETF SIP V2 Provide 2 RJ-11 port for a POTS phone or a PBX's trunk line Provide 2 RJ-45 Ethernet Ports Provide 2 RJ-11 port for PSTN Life Line (Bypass only) 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 functio....

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