A2Billing SIP Dialer

This application provides SIP Dialer, Callback service, other A2Billing customer portal features to android mobile users. Target: VOIP Service Providers. Features. SIP Softphone. G. 729 Codec Support. Call History. Calling Card Feature. Call-History From Server Side. Voucher Refill. Voucher Refill History. Balance display on Main Screen. Rate-Search Feature.