The yeastar tg100 connects gsm to voip networks to provide two-way communication: gsm/3g/4g to voip and voip to gsm/3g/4g.
yeastar tg100 key features
gsm voice calls
maximum cost reduction
top quality and reliability
mobile connectivity for smb
it allows you to connect most ip-pbx systems including all yeastar ip-pbx systems, and softswitches to a gsm network; which can provide a sophisticated fallback solution when landlines and telco sip trunks go down, or be used to increase call traffic capacity by providing additional voice connection.