Asterisk CLI Gives SOme Errors

Feb 1 23:37:54 NOTICE[24308]: rtp.c:576 ast_rtp_read: Unknown RTP codec 100 received
Feb 1 23:37:54 NOTICE[24308]: rtp.c:576 ast_rtp_read: Unknown RTP codec 100 received
Feb 1 23:37:54 NOTICE[24308]: rtp.c:576 ast_rtp_read: Unknown RTP codec 100 received

Feb 1 23:52:28 NOTICE[4939]: rtp.c:331 process_rfc3389: Comfort noise support incomplete in Asterisk (RFC 3389). Please turn off on client if possible. Client IP: 216.168.169.87
Feb 1 23:52:29 NOTICE[4946]: rtp.c:331 process_rfc3389: Comfort noise support incomplete in Asterisk (RFC 3389). Please turn off on client if possible. C

Pls. guide me i am using asterisk-1.2.14

did You try google ?
for “Unknor RTP” read:
http://www.asteriskguru.com/tutorials/unknown_codec_received.html
for “noise support” read:
http://www.asteriskguru.com/tutorials/comfort_noise_support_incomplete.html