Description
TG 200 Series VoIP GSM Gateways connect GSM or WCDMA or 4G LTE to VoIP networks to provide two-way communication: GSM/3G/4G to VoIP and VoIP to GSM/3G/4G. This allows you to connect most IP-based telephone systems and SIP devices like Door Intercoms, Phones etc to a GSM or 3G WCDMA or 4G LTE; which can provide aย fallback solution when landlines go down, or be used to increase call traffic capacity by providing additional dial-tone.
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