Who can tell me the meaning of this warning: (and how to stop it)
[Jan 8 14:19:15] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:17] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:20] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:26] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:28] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:31] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:33] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:39] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:42] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:44] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:47] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:52] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:55] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:19:58] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:20:00] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:20:06] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:20:09] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:20:11] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:20:14] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:20:20] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:20:22] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’
[Jan 8 14:20:25] WARNING[3675]: chan_sip.c:9010 check_via: Don’t know how to respond via ‘SIP/2.0/TCP’