Customers

At CALLUP we view our customers as true partners.
Your dreams, your targets are our work plan.

Lee Chard
Senior Designer
SIM Technology

EE (part of BT Group)
“As the UK’s largest mobile operator, adding more customers on to our 4G network all the time, it is very important for us to assure optimal 24/7 control of our tens of millions of SIM cards. CALLUP’s SIM OTA is an excellent, extremely advanced high quality system, which will help us to provide the best network and service to our customers."
Ilan Alter
Director, Cellular Applications
Pelephone
CALLUP Net’s Mobile Device Management solution continues to be a part of Pelephone's strategic platforms. CALLUP enables us to provide uncompromised and intuitive user experience.
Lori Sylvia
Executive VP of Marketing
Red Bend
Mobile operators that use CallUp’s DMC platform will be able to reduce customer care costs and improve consumer satisfaction with the ever-increasing number and types of connected wireless devices.
Santiago Peralta
CTO
Tricom
CALLUP NET proved to be a great choice for supporting both our LTE and CDMA networks with one DM and SIM OTA platform.

See Our Partners