The Sangoma W400-002E is a Dual ports GSM board which can support 2 SIM cards. This allows the Quad-band EGSM W400-004E to add GSM voice connectivity and SMS capabilities to IP-PBX applications. The W400 also offers the possibility to send SMS messages over the GSM network, enhancing the IP-PBX to act as an SMS gateway. For added flexibility, SMS messages can be sent while a voice conversation is active on the GSM port.
2 GSM ports/modules, GSM protocol stack for voice and SMS
SMS in text and PDU mode with decoding of Mobile Service Center (MSC)
GSM supplementary services (CLIP, CLIR, USSD)
Hardware DTMF detection, 1SIM card per GSM channel
Automatic codec negotiation
Built-in Asterisk Manager Interface support
Compatible with Linux version 2.6 and up
Works with Asterisk DAHDI driver
Hardware Echo cancellation
Quad-band EGSM 850/900/1800/1900 Mhz
|Modular capacity (Expandables)
|137mm x 111.15mm
|Sangoma W400-002E GSM Board with 2 GSM Modules
Quality is good. All the specifications mentioned are working really well.