China voice call 2g 3g 4g gateway

{"pid":"15062114","cid":"58043","pimg_url":"\/\/img1.tradegrowthhub.com\/6e\/85\/24d7e2f23bff\/product\/39967651_s-w400xh400.jpg","name":"Voice call Ejoin 32 ports 2g\/3g\/4g VoIP gateway supporting 32 \/2g\/3g\/4g sim bank","company_name":"Shenzhen Ejoin Technology Co., Ltd.","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"Ejoin"}}

{"pid":"17661919","cid":"73945","pimg_url":"\/\/img1.tradegrowthhub.com\/38\/e3\/3ff5595186cb\/product\/53579074_s-w400xh400.jpg","name":"Voice Sms Horizon 4G Voip Gateway 2G \/ 3G \/ 4G SIP 16 Voip SMS Terminal Port SK 16-16 Gateway Modem","company_name":"Shenzhen Skyline Technology Co.,Ltd","attrs":{"Price":"Negotiable","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"sk"}}

{"pid":"15057057","cid":"57997","pimg_url":"\/\/img1.tradegrowthhub.com\/7a\/43\/e2a78c2c3efc\/product\/39938951_s-w400xh400.jpg","name":"Voice Call Gateway 16 Port and SMS EJOIN 2G\/3G\/4G Voip Gateway EJOIN ACOM516-64 Goip to Reduce Sim Block","company_name":"Shenzhen Eou Technology Co., Ltd.","attrs":{"Price":"$1,530.00(1 - 1 Units) $1,440.00(>=2 Units)","MOQ":"1 Unit","Delivery Time":"Negotiable","Brand":"Ejoin"}}