• Providing voice and data traffic directly into the GSM network over VoIP, VoATM, VPN, DCME E1 / T1 equipment.
• Providing corporate business fixed to mobile / mobile to fixed telephony
• Connecting remote (distant) locations over GSM networks
• Providing rural connectivity over GSM networks
• Providing last mile connectivity over GSM networks
• Providing quick basic telephony provisioning
• Providing GSM connectivity for river boats, costal cruise ships
• Providing connectivity to fixed network back-up via GSM
• Providing VPN connectivity between two corporate networks
• Providing mobile back-up solutions for corporate businesses with high security requirements, and
• many more applications.

The E1 PRI ISDN (Euro ISDN) GSM gateway also replaces the cumbersome fixed wireless terminals and provides accurate answer supervision and line disconnect supervision, plus a host of other advantages, which include fast connection times (very short PDD) and high ASR rates that compete with the industry's best. To read more about the advantages of our integrated GSM solution over the fixed wireless terminal solution at: Advantages over Fixed Wireless Terminals (PDF)

• Data Sheet / Product Brochure: E1 PRI ISDN GSM Gateway - (PDF)
• Technical Specifications: E1 PRI ISDN GSM Gateway
• 30 SIM E1 GSM Gateway / GSM Channel Bank Gateway - Home Page
• T1 GSM Gateway - Home Page

E1 PRI ISDN (Euro ISDN) GSM Gateways are offered with the following features:

• The interface of the network side is E1 Digital Interface with PRI ISDN (Euro ISDN) signaling.
• Signaling per PRI ISDN (Euro ISDN) Q.931 recommendations.
• The interface on the user side is up to 30 x GSM links (90 SIMs per E1 - 3 SIM per channel).
• Accurate answer supervision and disconnect supervision.
• Each GSM channel individual programmable to work with any of the 3 SIMs, according to the user programmed time-of-day schedule. This enables the user to program a least-cost operation so that traffic of each GSM channel is directed to the preferred SIM (out of the 3 SIM cards per channel) - which shall be activated only according to the "user" programmed time-of-day schedule.
• GSM Gateway to automatically "call" a "user" programmed number at a "user" programmed time-of-day, once every 24 hours to confirm to the operator that each GSM channel is in operation.
• Pre-Paid Balance Enquiry: GSM Gateway automatically enquire each PRE-PAID GSM SIM card for balance minutes / balance credits and sending an SMS message with this information to a "user" programmed number at a "user" programmed time-of-day.
• Unique caller ID blocking feature (if network allows)
• Echo cancellation up to 128ms. provided - optional
• Remote access monitoring over TCP/IP network - optional
• Unique out-bound calling, user programmable, access feature.
• All 30, GSM channels are dual band - 900MHz and 1800MHz with auto-sense / auto-switching capability.
• Optional: All 30, GSM channels are dual band - 850MHz and 1900MHz with auto-sense / auto-switching capability.
• Advantages over Fixed Wireless Terminals (PDF)