Here you may find instruction how to configure the latest softphones from counterpath.com:
X-Lite 3.0
eyeBeam 1.5
This instructions is for use when you are within your office LAN.
1. Ask you Xeepe PBX administrator next information:
XeepePbxIP
DomainName
UserName
UserPassword
Replace Italic text below with these values.
2. Install eyeBeam or X-Lite
3. Create SIP account
Account tab:
User name field: enter UserName
Password field: enter UserPassword
Authorization user name field: enter UserName (the same as for User name field)
Domain: DomainName
Check “Register with domain and receive incoming call” checkbox
Select “Proxy” in “Send outbound via” radiobutton.
Enter XeepePbxIP in Address field.
Voicemail tab
Uncheck “Check for voice mail”
Topology tab
Select “Use local IP address”
Select “Use specified server” and enter "stun2.xeepe.com"
Check “Enable ICE”
Presence tab
Select “Pear-to-Pear” Mode
Storage tab
Select “Local” storage method
Security tab
Select “Automatic” signaling transport
Save your account. Your phone will start network discovering and registration process.
In case of success you will see “Ready” message.
Congratulations! Now you are ready to call.