Asterisk spamming log

previus was notify to call
when i put mailbox only space again spamm, but text changed
how can i disable this not needed info?

1*********************************
[2011-07-24 12:12:37] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:12:37] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:12:41] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:12:41] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:12:43] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:12:44] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:12:47] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:12:47] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:13:03] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.
[2011-07-24 12:13:25] WARNING[1974] chan_sip.c: Remote host can’t match request NOTIFY to call ‘xxxx’. Giving up.

2*********************************
[2011-07-24 12:18:56] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:19:15] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:19:16] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:19:36] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:19:57] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:19:58] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:20:17] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:20:37] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:20:57] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:21:18] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx
[2011-07-24 12:21:18] NOTICE[1974] chan_sip.c: Received SIP subscribe for peer without mailbox: xxx

in extension 106

***Edit Extension
Display Name: 106
SIP Alias: 16

***Extension Options
Direct DID: (blank)
DID Alert Info: (blank)
Music on Hold: default
Outbound CID: (blank)
Ring Time: default
Call Waiting: enable
Emergency CID: (blank)

***Device Options
secret: (password)
dtmfmode: rfc2833
canreinvite: no
context: from-internal
host: dynamic
type: friend
nat: yes
port: 5060
qualify: yes
callgroup (blank)
pickupgroup (blank)
disallow (blank)
allow: (blank)
dial: sip/106
accountcode: (blank)
mailbox: 106@default

***Fax Handling
Fax Extension: disabled
Fax Email: (blank)
Fax Detection Type: none
Pause after answer: 0

***Privacy
Privacy Manager: none

***Recording Options
Record Incoming: Never
Record Outgoing: Never

***Voicemail & Directory
Status: enabled
Voicemail Password: (password)
Email Address: (blank)
Pager Email Address: (blank)
Email Attachment: no
Play CID: no
Play Envelope: no
Delete Vmail: no
VM Options: (blank)
VM Context: default
VmX Locater™: disabled