telecom systems 4g sms gateway 8 port fast send and receive sms api http machine

sms 8-8 series is able to process 8 concurrent traditional voice call service and sms service (ethernet server) gateway 8 port with fast speed sending sms.languages chinese/english
good version for taking otp code.
well working good price for gateway 8port , anti sim blockage and 2000sms per sim sending each hour.syi