[WeSip] Ringtone app

Hello!

I'm trying to write a ringtone app which would play a melody to calling client. I took a look from ringtone app from and it seems to be well written, I had a similar idea (just written all in one class).

However neither mine or their app works - it just crashes.
After debugging, I stripped down my app and started to build it slowly up and found that it crashes right here:

Code:

SipServletRequest mediaServerInvite = sipFactory.createRequest(invite.getApplicationSession(), "INVITE", invite.getFrom(), sipFactory.createAddress(uriPlayToneUri));

Or more precisely the problem is with:

Code:

sipFactory.createAddress(uriPlayToneUri)

Here derivates the crash (java.lang.NullPointerException: null address)

uriPlayToneUri contains: sip:kristjanremote@10.99.8.109
which is fine, but I cannot figure out why it crashes just when creating address. Anyone had a similar problem or any kind of solution?

Ok, after some more research:

Code:

javax.servlet.sip.ServletParseException: kristjanremote [!at] 10.99.8.109 (replace the [!at] with a @):unexpected EOL

What EOL is missing?

Correction:
It was malformed url, but now it seems to crash elsewere.