You may need VoIP Gateway for your voice/sms business

[Rokki]

I am Rokki from Chinaskyline, responsible for GSM Gateway and SMS Modem sales business.
Product capacity includes 8/16/32/64 ports VOIP gateway network frequency corresponding to the actual situation of each country.
If you need this product for sending bulk SMS or making call center program.
For information, plz add directly.
WhatsApp: +8613510801271
Skype: 13510801271
Messenger: Rokki