ShenZhen Yint electrical Technology Co.Ltd is specialized in calling card phone and its management platform and AZAN phone.
Calling card phone can be set calling card inside that can avoid to dial the trivial access no.and PIN number,Just direct dial destination when customer want to make a call. don't change common dialing way,all the calling charege will cost from lowest rate calling card which set into calling card phone.
through our management platform ,can control 20000 end-user in long-distance ,can auto-print calling charge list and give an alarm when client give up using calling card phone.this function can make you don't lost any customer.
we promot that: our calling card phone and its management platform can let you make profit per minute when you client make a call!!