Ejointech #manufacturer 15 years
Support 8/16/32/64 Channel, Up to 512 sim for rotation
2G/3G/4G models all available
Voice&SMS version/SMS version to choose
part of function##
Call statistics: ASR,ACD,PDD
HTTP API for SMS/USSD/AT Command
SMPP Server/Client
IMEI change
own R&D department&free technical support to our clients.
Welcome to contact me for purchase!
Joan
Tell/whatsapp/wechat +86 13755304671
skype ID: ejointech.f
www.ejointech.com