Recording fail display WARNING[25829]: translate.c:249

I am from China ,my english is poor ,most of the translation from Google . i hope everyone under consideration.

the asterisk version is 1.4.44 using freeiris 2.3.1

Call phone is normal ,but when i want record ,the asterisk -R display warning

– AGI Script agi://127.0.0.1/sysautomon?type=callee&number=153 completed, returning 0
– AGI Script Executing Application: (set) Options: (__PICKUPMARK=153)
– AGI Script Executing Application: (dial) Options: (sip/153|40|tTkK)
– Called 153
– SIP/153-00000009 is ringing
== Parsing ‘/etc/asterisk/manager.conf’: Found
== Manager ‘freeiris’ logged on from 127.0.0.1
== Manager ‘freeiris’ logged off from 127.0.0.1
– SIP/153-00000009 answered SIP/159-00000008
[Feb 27 19:14:46] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:46] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:46] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:46] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:46] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:46] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:46] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:46] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:47] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:47] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:47] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:47] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
[Feb 27 19:14:47] WARNING[2394]: translate.c:249 ast_translator_build_path: No translator path from alaw to unknown
== Spawn extension (from-exten-sip, 53, 9) exited non-zero on ‘SIP/159-00000008’
== Executing [chmod 777 /var/spool/asterisk/monitor/1/SAM_1362021282950654_1362021282_757.WAV]
== End MixMonitor Recording SIP/159-00000008

Generate recording file into the directory, but did not find
I don’t know how to do ?

Thank you for watching, I solve the problem

This is code problem ,when i load g729,g723 ;the recording is ok

[color=#FF0000]removed[/color]

this is the solution

thank you