[Asterisk-Users] sipphone dialing out problem

[Deepakumar JV]

Hello

when i dial a toll free no using sipphone i get this error message. How do i solve this? 

Any help will be appreciated.


console message:

Starting simple switch on 'Zap/2-1'
    -- Executing SetCallerID("Zap/2-1", "17473863282") in new stack
    -- Executing SetCIDName("Zap/2-1", "Deepak JV") in new stack
    -- Executing Dial("Zap/2-1", "SIP/18006526672 at proxy01.sipphone.com") in new stack
    -- Called 18006526672 at proxy01.sipphone.com
    -- SIP/proxy01.sipphone.com-8efc is making progress passing it to Zap/2-1
    -- SIP/proxy01.sipphone.com-8efc answered Zap/2-1
Feb  3 22:15:57 NOTICE[1218901440]: channel.c:1481 ast_set_read_format: Unable to find a path from G729A to ULAW
Feb  3 22:15:57 NOTICE[1218901440]: channel.c:1451 ast_set_write_format: Unable to find a path from ULAW to G729A
Feb  3 22:15:57 WARNING[1218901440]: chan_zap.c:3728 zt_write: Cannot handle frames in 256 format
  == Spawn extension (internal, 18006526672, 3) exited non-zero on 'Zap/2-1'
    -- Hungup 'Zap/2-1'


Regards
Deepak
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