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,SK32-512 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.SK32-256 can insert 256 SIMs at most,means 8 SIMs in one channel. Similarly, SK32-512 support 16 SIMs for each channel.pls check as follow pic:
32 ports with 32 SIMs GSM VOIP Gateway:
32 ports with 128 SIMs GSM VOIP Gateway:
32 ports with 256 SIMs GSM VOIP Gateway:
32 ports with 512 SIMs GSM VOIP Gateway:
|Model||SK32-32 / SK32-128 / SK32-256/SK32-256|
|Number of Channels||32 channels|
FDD LTE: B1/B3/B5/B7/B8/B20
FDD LTE: B2/B4/B5/B12/B17
FDD LTE: B1/B3/B8
TDD LTE: B38/B39/B40/B41
|SIP Specification||SIP/2.0 RFC3261|
|Session Timer RFC4028|
|Telephony Features||Hot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White/Black list|
|Telephony Signaling||DTMF tone dectection/generation|
|DTMF relay: in-band, RFC 2833 and SIP info|
|Call forward: unconditional, no answer and busy|
|Caller ID display/generation, Mobile Number Portability|
|Voice Capability||Voice codecs:G729a/b/e,G723.1,G.711 A/U law, iLBC|
|Silence suppression & detection（VAD, CNG）|
|Adaptive jitter buffer|
|Number of Ports||1 WAN 10/100Base-T ethernet(RJ-45 connector)|
|1 LAN 10/100Base-T ethernet(RJ-45 connector)|
|LEDs||1 Power and 32 groups of card online and running status indicator|
|Power Supply||100-240VAC, 50 - 60 Hz IN, 12V/5A OUT|
|Operating Environment||Operating temperature: 0 - 50ºC|
|Operating humidity: 10 – 90%RH|
SMS Send, Receive and Forward(GSM/SIP/HTTP)
AT Command , USSD
SMS Format: PDU/TXT
PIN Code Management
CDMA Delay Answer
GSM Polarity Reversal
Caller ID Hidden(need SIM Card support)
Maintenance and Management:
USB Serial COM
Configuration Backup and Restore
Support HTTP/TFTP Upgrade
Call statistics: ASR,ACD,PDD
Remote Management System
Q: 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 .