What is this error?

Hello

someone know what mean this error ?

Thank you

[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:42] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write
[2015-03-19 23:13:43] WARNING[25532][C-0000000e]: chan_sip.c:7386 sip_write: Can’t send 10 type frames with SIP write