8 port gsm voip gateway gsm voip gateway free international calls

Specifications

                      8 port gsm gateway

New  Features : 

1. IMEI change, BTS change and lock

2.Support IMEI and PIN modify for GSM,WCDMA.

3.Ejoin Encrption,  which can replace SBO and 100% Free for our clients.

4.SIM Rotation to prvent sim blocking

5. SMS batch receiving/sending, AT command compatible                

6. the balance support  dot

7.IMEI have the rules

8.sip protocol  have the registered status

9.sms warning is working

10.support slience suppression, save 1/3 bandwidth.

11.auto reboot time

Product Introduction:

Key features :

l Support 8 channels 8 SIM cards

l Support 850/900/1800/1900MHz Quad-band GSM network

l Support BTS and carrier change and locked

l Support IMEI and PIN modify

l Support encryption: RC4, VOS and Ejoin private etc, OEM encryption support

l SMS receiving/batch sending, AT command compatible

l Support USSD balance enquiry

l Automatically lock/switch SIM card according to its balance, balance alarm

Software inside for set up

Basic features:

l Support SIP registration and peer-to-peer

l Support Hotline, Phone book, Speed dial, Dial Plan

l Update firmware by local or internet

l Field proven compatible with Asterisk-based softswitches

l Single-channel debug for manual calling, directly AT command

l LCR automatically route calls

l Centralized network management

l Caller ID detection and generation

l Master and slave SIP server

l VLan and QoS support

l SIM card hot plug

l Calling Statistics

l Support customized IVR