Detailed Product Description

PORTech is a manufacturer in Taiwan. 

Major in GSM Gateway,VoIP GSM Gateway, GSM Fixed Wireless Terminals,E1 GSM Channel BANK,Skype GSM Gateway.

PORTech MT-354 is a 4 channels GSM Gateway / GSM Fixed Wireless Terminals that has FXSx4, FXOx4, GSMx4 interface.
It can connect with PBX, PSTN or VOIP Gateway
MT-354 has the function to choose route automatically. When you dial out from your MT-354, it will check if this is belong to the Inter-Network number automatically. If yes, then it will dial out from the mobile. If not, it will still dial out from the Central Office, CO line. It will dial out from your mobile without distinguishing if you do not connect the CO line.
Function Description
1. Conversion of wire and wireless communication
2. Auto-select economic route
3. Code Conversion Setting: Through the connection towards local PSTN line, the phone calls will proceed with code transfer dialing process.
4. Vocal volume modulating system
5. Set the Allow to Dial Code, GSM Prefix No. Setting 50 sets
6. Set GSM dial out code amount
7. Polarity reversing function
8. Definition of DTMF reversing signal
9. Limit of communicating time
10. GSM function of dialing out the prompt voice
11. When not connecting to Telephone Office line, GSM will provide the forced dial-out function
12. Set up GSM extra dialing local code
13. Set up extra dialing local-code to PSTN
14. GSM simulated echo-bell-sound function
15. GSM is not ready, call will be forced to dial out from PSTN
16. Follow Me, Call transfer
- PSTN to GSM
An incoming call of PSTN will be transferred to specify GSM no.
- GSM to PSTN
( 1) GSM in PSTN out, give you a prompt du and you can enter any destination number
( 2) An incoming call of GSM will be transferred to specify PSTN no.
17. GSM Frequency bands:
Dual band: 900 / 1800MHZ

Tri band:850/1800/1900MHZ
Quad band-850/900/1800/1900MHZ