Chipeira Synway de 32 canais GSM 2G. Funciona com chips de qualquer operadora na Rede 850/900/1800/1900MHzAcompanha fonte e todas as antenas GSM.=====================================CARACTERÍSTICAS TÉCNICAS:=====================================Functional DescriptionSMG4032Wireless VoIP GatewaySynwayVoIP Gateway2• Basic Features:GSM: 850/900/1800/1900MHzMultiple voice encoding formats supportedSMS CODEC: ASCII/UCS2Open and programmable APIPIN managementCall time restriction: SIM Card/Single CallOperator lockingBCCH managementCall holdCall transfer• VoiceSilence suppression and detectionCNG (Comfort Noise Generator) supportVAD (Voice Activity Detection) supportEcho cancellation (G.168), up to 128msSelf-adaptive dynamic bufferingCall progress tone generationAGC (Automatic Gain Control) support• ProtocolSIP V2.0 RFC3261SDP RFC2327Session Timer RFC4028RTP/RTCP RFC3551SIP registrationSIP trunk (Point-to-Point)SIP trunk groupRingback (Immediate/normal)SIP/GSM release cause configurableDNS SRV/A queryOut-of-stack agentDTMF mode: Signal/RFC2833NAT traversalDynamic NAT, Static NAT, STUN• Physical InterfaceSIM Card Socket: 64/128-portEthernet interface: RJ45, 2 ETH, 10/100M BaseCONSOLE: RJ45, RS232, 115200bpsAntenna interface: SMAStatus indicator: PWR, RUN, ALM, Channel state,Signal strength, ACT per network, LINK status.Reset button• Network ProtocolIP v4, IP v6, UDP/TCP, PPPoE, DHCPFTP/TFTP ARP, RARP, NTPhttp, Telnet• ManagementConfiguration management based on WEBConfiguration backup/restoreInterface in Chinese/EnglishFirmware upgrade via http/TFTPPassword modification for WEB sign-inFactory settings restoreCDR and tracking information outputSyslogPing and Tracet tests based on WEBTransport Protocol Count: TCP, UDP, RTPVoIP Call CountPSTN Count: ASR, ACD, PDDVoice loopback testIVR CustomizableSystem LogCentralized cloud-platform integrated management