Solar Power Systems
China Skyline Telecom Co., Ltd.
24 Dec 2025
(
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Get Your Quote Now : Place of origin : China
4 PORTS VoIP Gateway
SK 4 Ports Series is Able to Process Bulk SMS and Voice Sending, the Speed Can be 200- 800 SMS/Voice Per Min According Different Module.
SK VoIP Gateway Skyline is a professional VoIP and SMS gateway manufacture.Except the hardware , we also have the SMS and Voice traffic around the word.SK 8 ports series is able to process bulk SMS and Voice sending, the speed can be 200- 800 SMS/Voice per min according different module.
Special Features:Support SIM BankSIM Card RotatingCall Duration Limitation for SIM cardCall statistics: ASR, ACD,PDDSolution to solve the SIM card blockedEIMS(SK Remote Management System)Web Browser: Firefox/Chrome /IE/Opera Specification:
| Model | SK 4 Serious VoIP Gateway |
| Number of Channels | 4 Channels |
| Telephony Features | Hot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White/Black list |
| Voice Capability | Voice codecs:G729a/b/e,G723.1,G.711 A/U law, iLBC |
| Echo cancellation |
| Silence suppression & detection（VAD, CNG） |
| Adaptive jitter buffer |
| Volume adjustable |
| IVR customized |
| Frequency | GSM/WCDMA/LTE |
| Number of Ports | 1 WAN 10/100Base-T ethernet(RJ-45 connector)1 Console(USB) |
| LED | 1 Power and 4 card online and running status indicator |
| Power Supply | 100-277VAC, 50 - 60 Hz IN, 12V/5A OUT |
| Operating Environment | Operating temperature: 0 - 50oCOperating humidity: 10 – 90%RH |
| Warranty | 12 Months |
Mobile Features:SMS/Voice Send, Receive and Forward(GSM/SIP/HTTP)SMS/Voice InboxAT Command , USSDPIN Code ManagementGSM Polarity ReversalCarrier SelectionCaller ID Hidden(need SIM Card support)
Maintenance And Management:Multi-language InterfaceUSB Serial COMConfiguration Backup and RestoreSupport HTTP/TFTP UpgradeCall statistics: ASR,ACD,PDDSK Remote Management System
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