[Asterisk-Users] channel.c:1884 set_format: Unable to find a path from g729 to gsm

[Kumara Jayaweera]

Hi All,
I have this codec problem, I use "gsm" in my iax.conf file and in teliax
settings also, but the error is still appearing as below. please help me.
Kumara

Starting simple switch on 'Zap/1-1'
-- Executing Dial("Zap/1-1","IAX2/kumara at teliax/01194777070239|30|tr") in
new stack
    -- Called kumara at teliax/01194777070239
    -- Call accepted by 208.139.204.228 (format g729)
    -- Format for call is g729
Jun 18 19:17:28 NOTICE[8554]: channel.c:1884 set_format: Unable to find a
path from g729 to gsm
Jun 18 19:17:28 NOTICE[8554]: channel.c:1884 set_format: Unable to find a
path from g729 to gsm
Jun 18 19:17:28 NOTICE[8554]: channel.c:1884 set_format: Unable to find a
path from g729 to gsm
    -- IAX2/teliax-2 is ringing
    -- Nobody picked up in 30000 ms
    -- Hungup 'IAX2/teliax-2'
  == Auto fallthrough, channel 'Zap/1-1' status is
'NOANSWER'
    -- Hungup 'Zap/1-1'