UC2000-VE/F/G GSM/CDMA/WCDMA VoIP Gateway User Manual
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Shenzhen Dinstar Co., Ltd.
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To use local SIM card which install on gateway, this way is most
common used by many of users
SIM Box is a small box which use for SIM card storage. It ideal for
users who want replace SIM card frequently
SIM Bank is use for SIM card storage and remote SIM management
together with Dinstar SIM Cloud
Introduction to API
The API protocol is used for external applications (for instance: SMS Server) to control
the sending and receiving of SMS/USSD on the gateway.
To enable the API function of the GSM gateway, the IP address, port, user ID and
password of SMS Sever must be correctly configured, and the TCP Intercept function
of the SMS Server must be enabled. Once the connection between the gateway and
TCP is established, the gateway will send user ID and password to the SMS Server,
and then the SMS Server will send back a message which indicates successful
authentication.
The API Server Address, API Server Port, User ID and API User Password on the
above interface of Gateway must be the same with the IP Address, Port, Auth ID and
Password on the setting interface of SMS Server.
Introduction to GSM Audio Coding
There are eight formats for GSM Audio Coding, including Auto, FR, HR, EFR, AMR_FR,
AMR_HR, FR and EFR, EFR and FR.
Auto: it means GSM Audio Coding is automatic.
FR (Full Rate): the first digital speech coding speech standard used in the GSM digital
mobile phone system. The bit rate of the codec is 13 kbit/s, or 1.625 bits/audio sample
(often padded out to 33 bytes/20 ms or 13.2 kbit/s).