[Asterisk-Users] Codec issue

[Jero]

hello:
When i make calles form a ciscoAS5300(codec 729br8) to
asterisk(asterisk_oh323, codec 729;)
i got this error message
    -- Executing Answer("OH323/R10806", "") in new stack
  0:28.467                 H245:81185d0 PWLib   Assertion fail: Cast of NULL
choice, file ../../ptclib/asner.cxx, line 2981, Error=4
thnx in advance