senseLAN Phone is an internet telephony based soft phone client that enables you to receive and make calls on your Android smartphone. Connection is made to the dedicated central hosted Switching system from senseLAN. senseLAN Phone enables VoIP calls over 3G and WiFi networks and supports different types of codecs.
Note: you need to have an account from your VoIP provider in order to use this software. This is a supplier specific application and not a generic VoIP service. More information on senseLAN can be found under: www.senselan.ch