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Home >> Products >> GSM VOIP Gateway >> SK GSM VOIP Gateway
4 Ports VoIP Gateway
  • 4 Ports VoIP Gateway
  • 4 Ports VoIP Gateway
  • 4 Ports VoIP Gateway
4 Ports VoIP Gateway4 Ports VoIP Gateway4 Ports VoIP Gateway

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.

  • Description
  • Features
  • Application
  • Remarks

4 Ports VoIP Gateway

4-ports VoIP (Voice over Internet Protocol) gateway refers to a hardware device that facilitates the conversion of traditional telephony signals into digital data packets for transmission over an IP network. Each "port" typically represents a connection point for a phone line or extension.

We are a professional 4-port VoIP gateway manufacturer, welcome to contact us.

Specification:

ModelSK 4 Serious VoIP Gateway
Number of Channels4 Channels
Telephony FeaturesHot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White/Black list
Voice CapabilityVoice 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
FrequencyGSM/WCDMA/LTE
Number of Ports1 WAN 10/100Base-T ethernet(RJ-45 connector)
1 Console(USB)
LED1 Power and 4 card online and running status indicator
Power Supply100-277VAC, 50 - 60 Hz IN, 12V/5A OUT
Operating EnvironmentOperating temperature: 0 - 50ºC
Operating humidity: 10 – 90%RH
Warranty12 Months


4 Ports VoIP Gateway Functions

Analog to Digital Conversion:

The primary function of a VoIP gateway is to convert analog signals from traditional phone lines into digital signals that can be transmitted over an IP network.

Connectivity:

4-ports VoIP gateway provides four independent ports for connecting analog devices. Each port allows for the connection of an analog phone, fax machine, or other telephony devices.

VoIP Service Integration:

These gateways are designed to integrate with VoIP service providers or IP PBX (Private Branch Exchange) systems. They enable analog devices to participate in a VoIP infrastructure.

Compatibility:

It's important to ensure that the 4-ports VoIP gateway is compatible with the specific VoIP service or IP PBX system being used. Compatibility considerations include supported protocols, codecs, and signaling methods.

SIP and H.323 Support:

VoIP gateways typically support standard VoIP protocols such as SIP (Session Initiation Protocol) and H.323. These protocols facilitate the setup, management, and teardown of voice sessions over IP networks.

Fax Over IP (FoIP) Support:

Some VoIP gateways offer support for Fax Over IP (FoIP), allowing users to send and receive faxes over the IP network using traditional fax machines.

Remote Connectivity:

VoIP gateways can enable remote offices or locations with analog devices to connect to a central VoIP system, facilitating seamless communication across different geographical locations.

Emergency Services Connectivity:

VoIP gateways may support the connection of analog devices to emergency services (911 in North America) to ensure that emergency calls are properly routed and handled.

Quality of Service (QoS) Considerations:

To ensure clear and reliable voice communication, VoIP gateways often support Quality of Service (QoS) features, prioritizing voice traffic over the network to minimize latency and packet loss.

Configuration and Management:

VoIP gateways typically come with management interfaces that allow users to configure settings, monitor performance, and troubleshoot issues. Proper configuration is essential for optimal performance.

Security Considerations:

Security features, such as encryption and authentication, are important for protecting voice communication over the internet. Users should follow best practices to secure their VoIP infrastructure.


Special Features:

1. Support SIM Bank
2. SIM Card Rotating
3. Call Duration Limitation for SIM card
4. Call statistics: ASR, ACD,PDD
5. Solution to solve the SIM card blocked
6. EIMS(SK Remote Management System)
7. Web Browser: Firefox/Chrome /IE/Opera
 

Mobile Features:

1. SMS/Voice Send, Receive and Forward(GSM/SIP/HTTP)
2. SMS/Voice Inbox
3. AT Command, USSD
4. PIN Code Management
5. GSM Polarity Reversal
6. Carrier Selection
7. 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

  • SK Remote Management System

None

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