PORTech is the original manufacturer in Taiwan with 30 years, therefore we'll do our best to offer the best service and support.

Portech main
1. E1 /T1 GSM Channel bank
2. VoIP GSM Channel bank
3.1/2/4/8 Ports VoIP GSM Gateway
4. Remote SIM Bank / SIM Server
5.2 ports GSM VoIP PCI Card
6.1/4/8 ports GSM Fixed Wireless Terminals(Follow Me GSM Gateway)
7. Skype Gateway (Skype, FXS, FXO)
8. Smart Power Monitor-Remote power manage by PSTN and WEB

MV-370: 1 channel VoIP GSM Gateway/UMTS Gateway
MV-372: 2 channels VoIP GSM Gateway/UMTS Gateway
MV-374: 4 channels VoIP GSM Gateway/UMTS Gateway
MV-378: 8 channels VoIP GSM Gateway/UMTS Gateway
SBK-32: 32 SIMs Remote SIM Bank

For call termination (VoIP to GSM ) and origination (GSM to VoIP). It is SIP based and compatible with Asterisk. It can enable to make 1-2 calls simultaneously from IP phones to GSM networks and GSM network to IP phone.
GSM Frequency: Quad band: 900/1800/1900/850MHz., CDMA 2000(800/1900MHz)
3G/UMTS:
3G: EDGE/GPRS 850, 900, 1800, 1900 MHz / HSDPA/UMTS 850, 1900, 2100 MHz

MT-350~1 ports GSM Fixed Wireless Terminals, Follow Me GSM Gateway
MT-354~4 ports GSM Fixed Wireless Terminals, Follow Me GSM Gateway
MT-358~8 ports GSM Fixed Wireless Terminals, Follow Me GSM Gateway
It has FXS, FXO, GSM interface that connect with PBX, PSTN or VoIP Gateway
Auto-select economic route (LCR)
GSM Prefix No. Setting (50 sets)
Polarity reversing function
Call-transfer: Follow Me
( 1) PSTN to GSM:
An incoming call of PSTN will be transferred to specify GSM no.
( 2) GSM to PSTN:
*An incoming call of GSM will be transferred to specify PSTN no.
*GSM in PSTN out, give you a prompt "du" and you can enter any destination number
GSM Frequency:
Dual band: 900/1800MHz
Option: MT-350S, Add SMS Function(Short message Service)(1 port only)

Digital Mobile Trunk (DMT) ~E1 GSM Channel Bank /VoIP GSM Gateway(31 channels)
DMT accepts incoming call from E1/T1 PRI of PSTN or PBX or VoIP and choose one GSM channel to dial out according to the prefix of the destination mobile number. In this way, we can have least cost routing.

DMT can provide Call Detail Record (CDR) for traffic and accounting management.
1. ISDN PRI interface: 1 port or VoIP Card*1
2. GSM interface: 31 ports
3. Optional external SCE-900: Expands SIM card upto 32 pieces per GSM channel.
4. Optional external SCBox: Expands SIM card upto 4 pieces per GSM channel.
5. Applicable for telecom service providers
6. VoIP application: Gateway's E1/T1 port connects DMT's E1/T1 port
7. 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 (in the case that SCE is installed).
8. Besides PRI to GSM, you may also apply GSM to PRI (two ways).
9. Additionally, we also develop DMT-2 that is E1*1 in, GSM*31 and E1*1 out.
11. Antenna collecting Box: Base equipment.
12. If you want to connect extra Outdoor directional antenna or Yigi antenna, you can purchase option Antenna Combiner(AC-32)
13. If your control room is usually no body there, you can consider our Smart Power Monitor(4 ports)- Remote power on/ off /reboot by PSTN and WEB.

SkyTrunk: Skype to PBX free, PBX to Skype free

SkyTrunk ST-1001Skype USB adapter~Skype, Slic*1

SkyTrunk ST-4004: 4 Ports Skype Gateway (FXS, FXO): Connecting Skype/PSTN via a PBX
Skype to PXB, PBX to Skype free

SkyTrunk ST-1002: Skype USB Adapter- 2 RJ11 (PSTN, Phone)

If you have interest, please contact us.