PORTech is a manufacturer in taiwan
PORTech established in 1979 .
PORTech main offer
E1 /T1 GSM Channel bank
VoIP GSM Channel bank
1/2/4/8 Ports VoIP GSM Gateway
2 ports GSM VoIP PCI Card
1/4/8 ports GSM Fixed Wireless Terminals(Follow Me GSM Gateway)
Skype GSM Gateway
Smart Power Monitor,IP Power Switch /PSTN Power Switch(4 Ports /8 ports)-Remote power manage by PSTN and WEB
*****Worldwide use ( 2G-850/900/1800/1900 MHz ,3G/UMTS compatible with all world and Japan,CDMA 2000)*****

You can download our all products introduction as following link
http://www.portech.com.tw/eweb/PORTECH_dm.pdf

VoIP GSM Gateway / VoIP CDMA Gateway / VoIP UMTS Gateway
MV-370 : 1 channel VoIP GSM Gateway
MV-372 : 2 channels VoIP GSM Gateway
MV-374 : 4 channels VoIP GSM Gateway
MV-378 : 8 ports SIP GSM Gateway
for call termination (VoIP to GSM/CDMA/UMTS ) and origination (GSM/CDMA/UMTS to VoIP). It is SIP based and compatible with Asterisk. It can enable to make 1,2,4,8 calls simultaneously from IP phones to GSM/CDMA/UMTS networks and GSM/CDMA/UMTS network to IP phone.
MV serial can Receive SMS and send SMS on web.

DuMV@PCI: 2 ports GSM/VoIP PCI Card
Full function (both GSM and VoIP) on board , SIP based and compatible with Asterisk. It can enable to make 2 calls simultaneously from IP phones to GSM/CDMA/UMTS networks and GSM/CDMA/UMTS network to IP phone.
Beside Voice,2 ports GSM/VoIP PCI Card support SMS sending and SMS receiving on web directly . Also allows your program Send/receive SMS with all GSM AT Command .

GSM Fixed Wireless Terminals / CDMA Gateway
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

E1 / T1 PRI / VoIP GSM/CDMA/UMTS Channel Bank
DMT: E1 GSM Channel Bank
DMT-V: 8/16/24/31 VoIP GSM Channel Bank
DMT-GSM Channel Bank: GSM ,CDMA can be combined in one DMT
DMT accepts incoming call from E1/T1 PRI of PSTN or
PBX 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.
ISDN PRI interface: 1 port or VoIP Card*1
GSM/CDMA/UMTS interface: 31 ports
Optional external SCE-900: Expands SIM card upto 32 pieces per GSM channel.
Optional external SCBox: Expands SIM card upto 4 pieces per GSM channel.
Applicable for telecom service providers
VoIP application: Gateway's E1/T1 port connects DMT's E1/T1 port
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).
Besides PRI to GSM,you may also apply GSM to PRI (two ways).
Additionally,we also develop DMT-2 that is E1*1 in,GSM*31 and E1*1 out.
Frequecny:
If you want to connect extra Outdoor directional antenna or Yigi antenna.....,you can purchase option Antenna Combiner(AC-32)

PSTN Power Switch/ IP Power Switch
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..

Skype GSM Gateway
SkyTrunk: Skype to PBX free, PBX to Skype free

SkyTrunk ST-1004~4 ports skype,FXO,FXS,GSM

SkyTrunk ST-2004 ~4 ports Skype,FXS

SkyTrunk ST-3004~4 ports skype,FXO,FXS

SkyServer:~4 ports Skype,FXS (Build in pc)

If you have interest,please contact us

PORTech Communications Inc.
150 Shiang Shung N.Rd,Taichung,Taiwan
http://www.portech.com.tw
E-mail:info@portech.com.tw
http://www.portech.com.tw/eweb/PORTECH_dm.pdf ---- PORTech Products list