X-Lite not working

Hi guys, I’m trying to use X Lite but it keeps saying Failed to establish call. Can any of you help me? Thanks!

Are you logged into a sip account

@thunder#10627 yup. I tried using both onsip and linphone. Are those okay, or are there better ones.

What sip accounts can you use with it? And is it for free? Thanks.

@CEDRO#10794 SIP to SIP is free. Sip to phone is not. U have to pay ur VOIP provider (mine i recently changed to my internet provider) because u have to call via gateway.