We have the GSM modem and the related software used for the ANI Call Back, specially designed for the VoipSwitch Platform. If any one is interested in the call back solution for VoipSwitch, or need a ANI call back solution, Pls contact with me.

David
Yaband International (HongKong) Limited
Mobile(China):+86 1379 8003 836;(H.K.):+852 3052 8429
Fixed(China Guangzhou):+8620 3476 4679;ShangHai:+8621 5855 9159
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