What is the difference between the two FIBERME GSM gateways?
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FGX4504 or FGX4508: which GSM gateway do we need?
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The number of SIM cards: the FGX4504 has 4 SIM slots and the FGX4508 has 8, so 4 or 8 calls at once. Each comes as a G model for 2G GSM networks or an L model for 4G LTE. Both work with SIP and IAX2, take hot-swap SIM cards, handle SMS and USSD, and connect to an FCM at another site over FRC.
See the FGX4504 and FGX4508 pages for the full specifications and datasheets.
Guides:
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