VoIP GSM Channel Bank SCG-31-V with VoIP Card Built in, Quad Band,SMS,IMEI Support(SCG-31-V)

Key Facts
For 30 channels GSM - VoIP connection, with IPC built in, support SIP & H.323, Astersk compatible, Quad band 900/1800/850/1900MHz;
With CDR, LCR Remote Monitor

Packing Detail
Functions:
Each VoIP channel connects with the corresponding output GSM port
Auto-routing for the same network
Password validation
Hiding the CLID (Caller ID)
Calling time: user can assign the calling time for each sheet of the SIM card. When the time runs out, system will block this GSM port, or switch to next unused SIM card (if 992 or 124 SIM Card Expander is installed)
Call detail record (CDR): the CDR is provided for further use of the billing system
Backup of CDR: user can set up the path of CDR backup
Simulate ring back tone
SIM Card Expanding test
ASR statistics: system will provide a time varying ASR analyzing report for easy understanding the communication traffic
VoIP ]GSM connection: VoIP to GSM connection and GSM to VoIP connection (two ways
SMS receive and send SMS (Option)
External SIM Card Expander option: 992 SIM Card Expander or 124 SIM Card Expander