Zoiper is free for Windows phone - nice app, use it on Android and iOS...
http://www.windowsphone.com/en-us/st...c-578fa1660737
+Steve
[size=2]Steve Gold
PO Box 1014, Sheffield S10 5YG, UK
Home mobie: Telefonica O2
Other UK mobiles: 3, Vodafone, Virgin
Foreign SIMs: Toggle (multi); Germany (Fonic); Poland (Orange PL);
Skype: stevewgold