SK16-16sip server mobile pbx free voipcheap telefon phone free calling sale

FOB Reference Price / Min.Order Quantity

USD 900.00-960.00 / Piece/Pieces | 1.00 Piece/Pieces (Min. Order)

Processing Time:within 24 hours

Packaging Details: special box with nice package

Port: Shenzhen

Payment Terms: L/C , T/T , other

Product Details Company Profile

Best sip actionvoip providers internet phone call voice over ip gateway
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 16 ports series is able to process traditional voice call service and internet data service, which supports up to 16 concurrent calls.
SK16-16, SK16-64,SK16-128,SK16-256 support 16 calls at one time,which is different in the number of SIM cards it can insert. SK16-16 can insert 16 SIMs while SK16-64 can insert 64 SIMs at most,means 4 SIMs in one channel. Similarly ,SK16-256 support 16 SIMs for each channel.pls check as follow pic:
16 ports with 16 SIMs GSM VOIP Gateway
16 ports 64/128/256 slots gateway 's new functions:
1. Support IMEI change automatic and support USSD
2. Support automatically detect the ACD ASR
3. Support automatically detect the SIM card issue
4. Save your internet bandwidth ,15kb/s for 1 call
5. Including the SIMBANK feature of avoiding the SIM card blocked
Special Features:

Model SK16-16 / SK16-64 / SK16-128 / SK16-256
Number of Channels 16 channels
Frequency GSM: 850/900/1800/1900MHz
CDMA:800/1900MHz
WCDMA:850/900/1800/1900/2100MHz
4G :
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: 900/1800MHz
SIP Specification SIP/2.0 RFC3261
Session Timer RFC4028
STUN
Network Protocols DHCP/PPPoE/VPN(pptp)
NTP
Telnet/http/FTP/TFTP
Encryption:Security,VOS2000,RC4,XOP.Base64
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
N-way conferencing
Caller ID display/generation, Mobile Number Portability
Voice Capability Voice codes: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
Number of Ports 1 WAN 10/100Base-T Ethernet (RJ-45 connector)
1 LAN 10/100Base-T Ethernet(RJ-45 connector)
1 Console(USB)
LED 1 Power and 16 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
Warranty 12 Months

Mobile 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