The yeastar tg800 connects 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 including yeastar ip phone systems, and softswitches to a gsm or 3g wcdma or 4g lte; which can provide a sophisticated fallback solution when landlines go down, or be used to increase call traffic capacity by providing additional dial-tone.
yeastar tg800 key features
gsm voice calls
volte for hd calls
maximum cost reduction
top quality and reliability
mobile connectivity for smb