---
product_id: 34640941
title: "Synway SMG4004-4C CDMA 4 Port VoIP GoIP SMS SIP IAX2 Gateway IP Phone Adapter 4 Channel SIM Card Wireless Mobile Gateway"
brand: "synway"
price: "VT3946"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/34640941-synway-smg4004-4c-cdma-4-port-voip-goip-sms-sip
store_origin: VU
region: Vanuatu
---

# Synway SMG4004-4C CDMA 4 Port VoIP GoIP SMS SIP IAX2 Gateway IP Phone Adapter 4 Channel SIM Card Wireless Mobile Gateway

**Brand:** synway
**Price:** VT3946
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Synway SMG4004-4C CDMA 4 Port VoIP GoIP SMS SIP IAX2 Gateway IP Phone Adapter 4 Channel SIM Card Wireless Mobile Gateway by synway
- **How much does it cost?** VT3946 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/34640941-synway-smg4004-4c-cdma-4-port-voip-goip-sms-sip)

## Best For

- synway enthusiasts

## Why This Product

- Trusted synway brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Synway SMG4000 Wireless Gateway could be compliable with a variety of wireless/mobile protocols, It is able to bridge wireless network with IP networks efficiently, regarding to the high-demanding user requirements. GSM4000 adapts self-propelled SIM card slots, advanced built-in VoIP processors and wireless modules, and helps enterprises and SPs launch diverse cost-efficient and flexible Wireless-to-IP communication systems. SMG4000 could also be applied into a range of systems, including remote billing and charge, Mobility PBX, PSTN backup lines, VoIP localization, SMS platform and more.  Features: High-speed response and connectivity in the extreme network environments, with better run efficiency; Telecom grade reliability and continuous high performance in fully loaded capacity and in the long run; Homegrown hardware and software technologies to guarantee relevant upgrading and customization;  DSP-enabled voice optimization to assure crystal voice quality and maximize bandwidth efficiency; High security and privacy for users via automatic-exchange of different SIM cards and Networks;  More compact hardware design to save space and ensure advantages of power consumption and cost ;  SMG4000 has attracted over 100 system integrators to use. GSM4000 has faster system response speed than its rivals. It could connect to the IP/WIRELESS networks with minimum latency, improving the operation efficiency of the system, and increasing dialing numbers and calling frequency. SMG4000 also could detect low wireless signals promptly and convert the wireless signals into high definition IP audio and text reliably. SMG adopts a variety of brand name hardware-components, and its embedded system has been optimized continually in the field, ensuing SMG4000 maintains a better stability under the circumstance of durable high-capacity running.

## Features

- 4 CDMA Channels, CDMA Frequency: 800 MHZ, Support SIP and MGCP Standard Control Protocols
- LAN: 1x 100Mbps Port; WAN: 1x 100Mbps Port; Up to 4 SIM Cards
- For call termination (VoIP to GSM) and origination (GSM to VoIP); Power Adapter: 100-240V
- T.38 Fax Compliant, G.168 128ms Echo Cancellation, DSP-based Toll Quality Voice Compression:G.711/723/722/729/GSM
- Remote Access, DSP-enabled Codes for Better Bandwidth Efficiency and Higher Stability in Full Loading Situation

## Images

![Synway SMG4004-4C CDMA 4 Port VoIP GoIP SMS SIP IAX2 Gateway IP Phone Adapter 4 Channel SIM Card Wireless Mobile Gateway - Image 1](https://images-na.ssl-images-amazon.com/images/I/51S3knq2E7L.jpg)
![Synway SMG4004-4C CDMA 4 Port VoIP GoIP SMS SIP IAX2 Gateway IP Phone Adapter 4 Channel SIM Card Wireless Mobile Gateway - Image 2](https://images-na.ssl-images-amazon.com/images/I/51KqAVnSEOL.jpg)

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**Shop now:** [https://www.desertcart.vu/products/34640941-synway-smg4004-4c-cdma-4-port-voip-goip-sms-sip](https://www.desertcart.vu/products/34640941-synway-smg4004-4c-cdma-4-port-voip-goip-sms-sip)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-06-07*