[Asterisk-Users] transcoding problem

[Osama Kamal]

I am having a problem with asterisk transcoding GSM and G729 codecs, the
error message is below:

Jun 14 09:38:12 WARNING[18292]: channel.c:2693 ast_channel_make_compatible:
No path to translate from SIP/3004-fcfb(256) to SIP/3003-c1c3(2)
Jun 14 09:38:12 WARNING[18292]: app_dial.c:1586 dial_exec_full: Had to drop
call because I couldn't make SIP/3004-fcfb compatible with SIP/3003-c1c3
  == Spawn extension (test, 3003, 1) exited non-zero on 'SIP/3004-fcfb'

sip.conf
[3004]
type=friend
secret=xxxxx
context=test
callerid="test1" <3004>
nat=yes
disallow=all
allow=g729
host=dynamic
canreinvite=yes
dtmfmode=rfc2833

[3003]
type=friend
secret=xxxxx
context=test
callerid="test2" <3003>
nat=yes
disallow=all
allow=gsm
host=dynamic
canreinvite=yes
dtmfmode=rfc2833
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