[Blink] audio problem and error message

[Juha Heinanen]

i tried to make a call between blink and twinkle, but there was no audio.
when i ended the call, i got this kind of message to log or console:

--
Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/twisted/internet/base.py", line 796, in runUntilCurrent
    call.func(*call.args, **call.kw)
  File "/usr/lib/pymodules/python2.6/eventlet/coros.py", line 253, in _do_acquire
    waiter.switch()
  File "/usr/lib/pymodules/python2.6/eventlet/api.py", line 235, in _spawn_startup
    return cb(*args, **kw)
  File "/usr/lib/pymodules/python2.6/sipsimple/session.py", line 158, in connect
    local_sdp = SDPSession(local_ip, connection=SDPConnection(local_ip), name=settings.user_agent)
  File "_core.sdp.pxi", line 596, in sipsimple.core._core.SDPConnection.__init__ (sipsimple/core/_core.c:112556)
TypeError: Argument 'address' has incorrect type (expected str, got NoneType)

-- juha