GSM 4 Gateway 4 channel GSM VoIP gateway GoIP-4 Quad Band support sim bank 32. The package no include sim card, customers need to get it from your own country by yourself. 2, The device need to use a Sim card for 2G GSM network, it does not support 3G 4G or 5G network. If your 3G 4G SIM CARD can also support 2G network, then it is ok to use. But if your country have closed 2G network, We suggest you choose our 3G 4G GPS GSM tracker.These charges are the buyers responsibility. 4-Channel GSM VoIP Gateway GOIP SIP.
LEDs for Power, Ready, Status, WAN, PC, GSM. Call forward from GSM to VoIP and VoIP to GSM.
Dial in mode or dial out mode only. Password protection for both GSM dial in or dial out. Retransmit GSM Caller ID to VoIP terminal. Open Standard VoIP Protocols ITU H. 323 V4 and IETF SIP V2.
Single or Multiple Server Registrations. Two 10/100 Ethernet for WAN / LAN connections. GSM module for making GSM calls. Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer. NAT Transversal and Router functions.Voice prompts, HTTP Web, Auto Provision support for configuration and updates. Highly stable embedded Linux operating system in high performance ARM 9 Processor. Automatic traversal of NAT and firewall. Auto provisioning (requires auto provisioning server).
Multi-language support: English and Chinese. Remote SIM operation for SIM Card management. SMPP support for 3rd party development of SMS Applications. Free server utilities for remote access and SMS management.Telnet mode for sending AT commands to GSM module. Compact and light weight design. Saving Cost on International and Long Distance Calls. When you are in the other countries& you have this gateway at your Local office. Very excellent solution for internal company with branch offices oversea. Orders will be processed instantly and dispatched in same day normally, so we do. All the items will be dispatched within. The arrival time depends on some factors and different areas. For example, Laser Pointer is unacceptable in some countries. This includes packaging, inserts, manuals etc. We'll reply to your query within 24 hours from. Monday to Friday except holidays. High product quality, reasonable prices, excellent customer service and a reliable credit standing is our tenet. Communication first when you enconter problems(important)! The item "GSM 4 Gateway 4 channel GSM VoIP gateway GoIP-4 Quad Band support sim bank 32" is in sale since Tuesday, September 6, 2016. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "taobaotown" and is located in Shenzhen. This item can be shipped worldwide.