-- Executing Dial("SIP/202-e0da", "SIP/201|10") in new stack
    -- Called 201
    -- SIP/201-04d1 is ringing
Dec 29 14:31:11 NOTICE[3405]: channel.c:1724 ast_set_read_format: Unable to find a path from g723 to gsm
Dec 29 14:31:11 NOTICE[3405]: channel.c:1691 ast_set_write_format: Unable to find a path from ulaw to g723
    -- SIP/201-04d1 answered SIP/202-e0da
Dec 29 14:31:11 WARNING[3434]: channel.c:2115 ast_channel_make_compatible: No path to translate from SIP/202-e0da(2) to SIP/201-04d1(1
)
Dec 29 14:31:11 WARNING[3434]: app_dial.c:1002 dial_exec: Had to drop call because I couldn't make SIP/202-e0da compatible with SIP/20
1-04d1
  == Spawn extension (default, 201, 1) exited non-zero on 'SIP/202-e0da'