Key Facts
Dual band: 900/1800MHz or tri band: 900/1800/1900MHz; Connect with PBX or VoIP Gateway: Tel port -> FXO; PSTN port -> FXS port

Packing Detail
Main functions:
Conversion of wire & wireless communication
Auto-select economic route (LCR)
Code Conversion Setting: Through the connection to local PSTN line, the phone calls will be proceeded with code-transfer dialing process
Volume modulating setting (0-4)
Polarity reversing function and 12 KHz built in
Definition of DTMF reversing signal
Limit of communicating time
GSM function of dialing out the prompt voice
When not connecting to PSTN line, GSM will provide the forced dial-out function
Set up GSM extra dialing local code
Set up extra dialing local-code to PSTN
GSM simulated echo-bell-sound function
If GSM isni?1 ready; call will be forced to dial out from PSTN
Setting of Dialing type Call-Transfer: PSTN TO GSM, GSM TO PSTN, GSM call-Transfer, setting time to PSTN out, DTMF definition of reversed signal
Remote setup: Set up password
SC-355sms: Add SMS Function (optional model)
GSM frequency: Dual Band: 9001800; 900/1800/1900 MHz
Specific Call ?Transfer setting: GSM to PSTN:
Assign mode (one stage dialing); Free mode (two stage dialing)
PSTN to GSM: An Incoming call will be transferred to specify GSM No.
Call Transfer Restriction Set-up (10 sets)
Short Code Set-up (100 sets)
GSM Prefix No.Setting (50 sets)
Support Caller ID Dual Mode (FSK + DTMF)
Echo cancellation
EMC (EMI + EMS) testing Approval
SIM Card Pin code disable/enable