RTP port Telephone System

{"cid":"224421","pid":"32306567","pimg_url":"\/\/img1.b2bforus.com\/af\/b9\/4d1212b0343b\/product\/122979640_s-w400xh400.jpg","name":"SIP Port Grandstream VOIP Gateway GXW4500 Series GXW4501 Digital VoIP Gateway","attrs":{"Price":"Negotiable","MOQ":"1.0 set","Delivery Time":"Negotiable","Brand":"Grandstream"}}

{"cid":"224421","pid":"32306563","pimg_url":"\/\/img1.b2bforus.com\/af\/b9\/4d1212b0343b\/product\/122979613_s-w400xh400.jpg","name":"Hot Sale Grandstream GXW4248 48 FXS Ports Analog VoIP Gateway GXW4248","attrs":{"Price":"Negotiable","MOQ":"1 set","Delivery Time":"Negotiable","Brand":"Grandstream"}}

{"cid":"224421","pid":"32306559","pimg_url":"\/\/img1.b2bforus.com\/af\/b9\/4d1212b0343b\/product\/122979589_s-w400xh400.jpg","name":"High Quality Analog 8 Port FXO VOIP Gateway Grandstream GXW4108 GXW4104 \/ 4108","attrs":{"Price":"Negotiable","MOQ":"1 set","Delivery Time":"Negotiable","Brand":"Grandstream"}}

{"cid":"224421","pid":"32306554","pimg_url":"\/\/img1.b2bforus.com\/af\/b9\/4d1212b0343b\/product\/122979568_s-w400xh400.jpg","name":"Grandstream 32 Analog Ports FXS VoIP Gateway GXW4232 GXW4232","attrs":{"Price":"Negotiable","MOQ":"1.0 set","Delivery Time":"Negotiable","Brand":"Grandstream"}}

{"cid":"224421","pid":"32306550","pimg_url":"\/\/img1.b2bforus.com\/af\/b9\/4d1212b0343b\/product\/122979554_s-w400xh400.jpg","name":"Analog Grandstream GXW4008 FXS VOIP Gateway With 8 FXS Ports GXW4008","attrs":{"Price":"Negotiable","MOQ":"1 set","Delivery Time":"Negotiable","Brand":"Grandstream"}}