Freeswitch has a bug in his SIP-engine Sophia.
Please see here: [login to view URL]
The bug is in regard to SIP-presence (BLF).
I am looking for someone who can fix that bug and push the code back into the project repository.
You should have experience and worked with freeswitch before.
i developed the so many core module in freeswitch using c and c++ fixed some bug in callcenter module of freeswitch .generate routing module to be used for call routing. so i know the all structure of freeswitch modules. i can say i am the person to whom you are looking forward. my skype id:tiwari8901