[Jan 31 19:38:56]     -- Accepting AUTHENTICATED call from 10.18.132.26:
       > requested format = ulaw,
       > requested prefs = (g729|ulaw),
       > actual format = ulaw,
       > host prefs = (ulaw|g729),
       > priority = mine
[Jan 31 19:38:56]     -- Executing Dial("IAX2/whatever-2", "IAX2/whatever/5552000@incomingcall_zap|30") in new stack
[Jan 31 19:38:56]     -- Called whatever/5552000@incomingcall_zap
[Jan 31 19:38:56] ERROR[20734]: codec_zap.c:666 zap_new_g729toulaw: Memory Map failed for transcoding (Invalid argument)
[Jan 31 19:38:56] WARNING[20734]: translate.c:144 ast_translator_build_path: Failed to build translator step from 8 to 6
[Jan 31 19:38:56] ERROR[20734]: codec_zap.c:552 zap_new_ulawtog729: Memory Map failed for transcoding (Invalid argument)
[Jan 31 19:38:56] WARNING[20734]: translate.c:144 ast_translator_build_path: Failed to build translator step from 2 to 8
[Jan 31 19:38:56]     -- Call accepted by 10.18.132.26 (format g729)
[Jan 31 19:38:56]     -- Format for call is g729
[Jan 31 19:38:56] ERROR[20651]: codec_zap.c:552 zap_new_ulawtog729: Memory Map failed for transcoding (Invalid argument)
[Jan 31 19:38:56] WARNING[20651]: translate.c:144 ast_translator_build_path: Failed to build translator step from 2 to 8
[Jan 31 19:38:56] ERROR[20651]: codec_zap.c:666 zap_new_g729toulaw: Memory Map failed for transcoding (Invalid argument)
[Jan 31 19:38:56] WARNING[20651]: translate.c:144 ast_translator_build_path: Failed to build translator step from 8 to 6
[Jan 31 19:38:56]     -- IAX2/whatever-6 answered IAX2/whatever-2
[Jan 31 19:38:56] ERROR[20734]: codec_zap.c:552 zap_new_ulawtog729: Memory Map failed for transcoding (Invalid argument)
[Jan 31 19:38:56] WARNING[20734]: translate.c:144 ast_translator_build_path: Failed to build translator step from 2 to 8
[Jan 31 19:38:56] ERROR[20734]: codec_zap.c:666 zap_new_g729toulaw: Memory Map failed for transcoding (Invalid argument)
[Jan 31 19:38:56] WARNING[20734]: translate.c:144 ast_translator_build_path: Failed to build translator step from 8 to 6
[Jan 31 19:38:56]     -- Attempting native bridge of IAX2/whatever-2 and IAX2/whatever-6
[Jan 31 19:38:56]     -- Operating with different codecs 4[0x4 (ulaw)] 256[0x100 (g729)] , can't native bridge...