Is there anybody who can help me solve this?
DIAL ALERT:
Call Rejected: BUSY
Cause: 21 - Call rejected
[Aug 11 04:05:35] NOTICE[26810]: rtp.c:849 process_rfc3389: Comfort noise suppor t incomplete in Asterisk (RFC 3389). Please turn off on client if possible. Clie nt IP: 203.166.29.167
[Aug 11 04:05:36] == Manager 'sendcron' logged off from 127.0.0.1
[Aug 11 04:05:38] -- Playing 'ding' (escape_digits=) (sample_offset 0)
[Aug 11 04:05:39] -- SIP/motion-00000a0d is making progress passing it to Lo cal/61243443390@default-c463,2
[Aug 11 04:05:39] -- SIP/motion-00000a0e is making progress passing it to Lo cal/61243240652@default-df92,2
[Aug 11 04:05:39] ERROR[26500]: utils.c:967 ast_carefulwrite: write() returned e rror: Broken pipe
[Aug 11 04:05:39] -- AGI Script agi-VDAD_ALL_outbound.agi completed, returni ng 0