Логирование

[Jan 24 13:20:52] WARNING[1899]: chan_sip.c:3694 retrans_pkt: Retransmission timeout reached on transmission 834856044769@192.168.15.108 for seqno 1 (Critical Response) -- See https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions
Packet timed out after 69312ms with no response
[Jan 24 13:20:52] WARNING[1899]: chan_sip.c:3694 retrans_pkt: Retransmission timeout reached on transmission 834856044769@192.168.15.108 for seqno 1 (Critical Response) -- See https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions
Packet timed out after 69312ms with no response
[Jan 24 13:20:54] WARNING[1899]: chan_sip.c:3694 retrans_pkt: Retransmission timeout reached on transmission 834856044769@192.168.15.108 for seqno 1 (Critical Response) -- See https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions
Packet timed out after 69312ms with no response
[Jan 24 13:21:30] WARNING[2148]: func_strings.c:1292 function_eval: EVAL requires an argument: EVAL(<string>)
[Jan 24 13:21:34] WARNING[2150]: func_strings.c:1292 function_eval: EVAL requires an argument: EVAL(<string>)
[Jan 24 13:21:55] WARNING[2152]: func_strings.c:1292 function_eval: EVAL requires an argument: EVAL(<string>)

Ребята подскажите пожалуйста что это такое, очень много таких событий