GSM Wireless Terminal for 4 Ports(Gnex-004)

Main function:
.Provide accurate anti-polarity signal.

.Incoming calls display: Offer the function of displaying incoming call. The connected telephon e must have the function of displaying incoming calls.

.Add prefixal code automatically: The telephone setting can be set up to add the local area code when dialing local fixed calls and add IP prefixal code when dialing long-distance calls.

.Locking wireless terminal, Locking SIM card, locking service provider and locking districts: All these functions can be set up according to the customers' requirement. Locking terminal means that the terminal only can identify the SIM card that is installed in the terminal when locking terminal is set up and the setting is effective . Locking SIM card means that the locked SIM card only can be used in the corresponding terminal in that locking SIM card is set and is effective . Locking service provider can forbid the SIM card that doesn't belong to the locked service provider to be used in the terminal. The number of locked districts can be the digits from 1 to 6.The terminal can search for districts around itself automatically if locking district is set up. Then the terminal only can be used in the locked districts.

.Network Management: The network management system can exchange data with wireless terminal through sending and receiving short message such as inquire parameters, modify the parameters, report malfunction and so on. Long-distance management is realized and needn't operator go to the scene to make maintenance.

.Parameter management: Parameters can be modified by the users by hand. Enter setting program by inputting correct passwords. After entering setting program, users can change parameters with the given orders.