Description
Use the ALLO GSM card to bridge calls from any Mobile GSM Network to VOIP in order to reduce mobile call cost or create new connections. ALLO drivers are available for Linux 2.4X and 2.6X Kernels for easy installation with any Open Source projects such as Asterisk, Elastix, Trixbox and FreeSwitch. ALLO GSM cards have FRONT PLATE SIM LOAD technology which allows the user to insert/remove the SIM cards without opening the computer chassis.
- Echo Cancellation for Digital audio quality
- User can modify IMEI and PIN
- 1, 2 or 4 GSM modules
- Quad-Band GSM 850/ 900/1800/1900 MHz
- Send/Receive SMS in text mode, AT command ready
- Compatible with Asterisk/FreeSwitch/Elastix/TrixBox based applications
- Front Plate SIM Load Technology (switch cards in a few seconds)
- GSM modules are AT&T certificated
- USSD, CLIP, CLIR supported
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