Model Number: GSM Gateway 32 port 256 SIMS Brand Name: Etross Telecom CO.,LTD Key Specifications/Special Features: 1.1OverviewGSMVoIPgatewayETS32x8GisnewlydesignedIPtoGSMgatewaysupportingmaximum32 ports256SIMsofGSMVoiceinterface,itcaneffectivelyrealizethesmoothtransitionbetweenPLMN(GSM)andVoIPnetwork.CompactcosteffectivedesignandsystemarchitectureofGSMGatewayETS-32x8Gprovidescustomersatisfactioninhighquality,good performanceandsystemreliance.Mostlyimportant,GSMGatewayETS-32x8featureswithnewfunctionssuchasmulti- SIMrotation,Humanbehaviour,BTSrotation,proxyserverencryptionforantiIPblock,ETSbandwidthoptimization(SBO),AutoIMEIchangeandgeneration,autoactivationSIMcardetc.Thisproductusesthestate-of-arttechnologyvoicecompressionandSmartQoSofETStomaintainthemaximumvoicequalityunderfastinternetlineandslowinternetlineaswell,thusItisanidealgatewayforheavydutyVoIPcalltermination(VoIPtoGSM)andOrigination(GSMtoVoIP),itisfullycompatiblewithleadingsoftswitchandSIPserver.1.2MainfeaturesSupport 32 GSMports,upto 32 concurrentcalls(1Ports8SIMcard,total256 SIMcard)SupportGSM:Quad-band850/900/1800/1900MhzCDMA:450/800/1900Mhzoptional3G/UMTS:850/900/2100MhzoptionalSupportmulti-simcardrotationtoavoidsimblockSupportHumanbehaviourfunctionSupportSBO(SwitchBandwidthOptimization)
SupportBTSrotationandlock
SupportencryptionforVOSforanti-blockofIPport
SupportSMSSending/batchSMSSending/receiving
SupportUSSDbalanceinquiry
AutoactivationSIMcardandrecharge
SupportIMEIchange,autoIMEIchangeandgeneration
Automaticallylock/openSIMcard/portaccordingtoitsbalanceoralarm