[asterisk-users] chan_sip.c:2901 __sip_xmit: sip_xmit of 0x8ef2130 returned -1: Operation not permitted ??

[Olivier CALVANO]

Hi

i have a lot of error in the CLI of one of my Asterisk:

[Apr 25 09:30:46] WARNING[10542]: chan_sip.c:2901 __sip_xmit: sip_xmit
of 0x8ef2130 (len 867) to 172.16.250.34:5060 returned -1: Operation
not permitted
[Apr 25 09:30:46] WARNING[10542]: chan_sip.c:2901 __sip_xmit: sip_xmit
of 0x8639de8 (len 778) to 172.16.0.70:5060 returned -1: Operation not
permitted
[Apr 25 09:30:47] WARNING[10542]: chan_sip.c:2901 __sip_xmit: sip_xmit
of 0x8ef2130 (len 867) to 172.16.250.34:5060 returned -1: Operation
not permitted
[Apr 25 09:30:49] WARNING[10542]: chan_sip.c:2901 __sip_xmit: sip_xmit
of 0x8ef2130 (len 867) to 172.16.250.34:5060 returned -1: Operation
not permitted
[Apr 25 09:30:50] WARNING[10542]: chan_sip.c:2901 __sip_xmit: sip_xmit
of 0x8639de8 (len 778) to 172.16.0.70:5060 returned -1: Operation not
permitted
[Apr 25 09:30:51] WARNING[10542]: chan_sip.c:2901 __sip_xmit: sip_xmit
of 0x862b178 (len 886) to 172.16.251.46:5060 returned -1: Operation
not permitted
[Apr 25 09:30:53] WARNING[10542]: chan_sip.c:2901 __sip_xmit: sip_xmit
of 0x8ef2130 (len 867) to 172.16.250.34:5060 returned -1: Operation
not permitted
[Apr 25 09:30:54] WARNING[10542]: chan_sip.c:2901 __sip_xmit: sip_xmit
of 0x8639de8 (len 778) to 172.16.0.70:5060 returned -1: Operation not
permitted



anyone know what is this error ?

thanks
olivier