iSign – Calling Signature Service

A Calling Signature is some text displayed at the called or calling party's terminal in a call.

Case study

DND Media and Viettel Telecom launched service iSign Р Calling Signature  01.08.2012

The text is customized by one party and displayed on the other party’s terminal.

Official Website www.iSign.com.vn

Service fee:

- Monthly package: 6000VND/month, modification fee: 100VND/time

- Daily package: 500 VND/ day, modification fee: 100 VND/time

Showcase

 

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