32 Ports VOIP Gateway Cheaper VOIP Gateway SIP Gateway Products
SK 32-32 32-128 32-256 products introduction:Skyline is a professional developer and manufacturer of VoIP products. Skyline provides SK brand VoIP communication devices and solutions. And we also offer customized products and OEM service. They are a cost-effective gateway for SOHO, SMEs and system integrators and it also opens up new revenue generating opportunities for service providers. SK 32 ports series is able to process traditional voice call service and internet data service, which supports up to 32 concurrent calls.SK32-32, SK32-128,SK32-256 support 32 calls at one time,which is different in the number of SIM cards it can insert. SK32-32 can insert 32 SIMs while SK32-128 can insert 128 SIMs at most,means 4 SIMs in one channel. Similarly, SK32-256 support 8 SIMs for each channel.pls check as follow pic:32 ports with 128 SIMs GSM VOIP Gateway:32 ports with 128 SIMs GSM VOIP Gateway:Special Features:ModelSK32-32 / SK32-128 / SK32-256Number of Channels32 channelsFrequencyGSM: 850/900/1800/1900MHzCDMA:800/1900MHzWCDMA:850/900/1800/1900/2100MHz4G :
EC20-E
FDD LTE: B1/B3/B5/B7/B8/B20
UMTS: B1/B5/B8
GSM: 850/900/1800/1900MHz
EC20-A
FDD LTE: B2/B4/B5/B12/B17
UMTS: B2/B4/B5
GSM: 850/1900MHz
EC20-C
FDD LTE: B1/B3/B8
TDD LTE: B38/B39/B40/B41
TDSCDMA: B34/B39
UMTS: B1/B8
GSM: 900/1800MHzSIP SpecificationSIP/2.0 RFC3261Session Timer RFC4028STUNNetwork ProtocolsDHCP/PPPoE/VPN(pptp)NTPTelnet/HTTP/FTP/TFTPEncryption:Security,VOS2000,RC4,XOP.Base64Telephony FeaturesHot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White/Black listTelephony SignalingDTMF tone dectection/generationDTMF relay: in-band, RFC 2833 and SIP infoCall forward: unconditional, no answer and busyN-way conferencingCaller ID display/generation, Mobile Number PortabilityVoice CapabilityVoice codecs:G729a/b/e,G723.1,G.711 A/U law, iLBCEcho cancellationSilence suppression & detection（VAD, CNG）Adaptive jitter bufferVolume adjustableIVR customizedNumber of Ports1 WAN 10/100Base-T ethernet(RJ-45 connector)1 LAN 10/100Base-T ethernet(RJ-45 connector)1 Console(USB)LEDs1 Power and 32 groups of card online and running status indicatorPower Supply100-240VAC, 50 - 60 Hz IN, 12V/5A OUTOperating EnvironmentOperating temperature: 0 - 50ºCOperating humidity: 10– 90%RHWarranty12 MonthsMobile Features: SMS Send, Receive and Forward(GSM/SIP/HTTP) SMS Inbox AT Command , USSD SMS Format: PDU/TXT PIN Code Management CDMA Delay Answer GSM Polarity Reversal Carrier Selection Caller ID Hidden(need SIM Card support)Maintenance and Management: Multi-language Interface USB Serial COM Configuration Backup and Restore Support HTTP/TFTP Upgrade Call statistics: ASR,ACD,PDD Remote Management System FAQsQ: 1 . How can I start voip business?A: For voip business , you need devices , server , softswitch , sim cards and internet ; and our company can provide devices ,server and softswitch like vos3000.Q : 2. If I be faced some issues about the devices , how can i solve it ?A: The device has one year warranty , and also we provide good service , tech free but strong support.Q :3. If i use it for call terminal , but how can i find the traffic provider?A: Our company also deal traffic business , so for Pakistan , Bangladesh,India,Afghan,Ethiopia and so on , we can provider the traffic.Q: 4.If your routes facing the issue for quality not good , any solution ?A:Dear , i can suggest you some solution for the good quality , also you can use our device for the high asr and acd .
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