[SR-Users] Dialog keep alive options are with error parsing headers

[José Seabra]

Hello there,

I'm using dialog module to send keep alive options to callee and caller in
order to detect if dialog still up, but when kamailio generates the OPTION
and parse it,  gives the following errors:

[root at c4-compute02-srv1 kamailio]# 37(1587) DEBUG: dialog [dlg_hash.c:614]:
dlg_lookup(): ref dlg 0x7f89134c1d40 with 1 -> 3
37(1587) DEBUG: dialog [dlg_hash.c:616]: dlg_lookup(): dialog id=2210 found
on entry 2350
37(1587) DEBUG: dialog [dlg_req_within.c:427]: dlg_send_ka(): sending
OPTIONS to caller
37(1587) DEBUG: tm [uac.c:249]: t_uac_prepare(): DEBUG:tm:t_uac: next_hop=<
sip:unknown at 62.28.197.25:5060>
37(1587) DEBUG: <core> [dns_cache.c:3293]: dns_srv_sip_resolve():
(62.28.197.25, 0, 0), ip, ret=0
37(1587) DEBUG: tm [uac.c:150]: dlg2hash(): DEBUG: dlg2hash: 14692
37(1587) DEBUG: <core> [parser/msg_parser.c:606]: parse_msg(): SIP Request:
37(1587) DEBUG: <core> [parser/msg_parser.c:608]: parse_msg():  method:
 <OPTIONS>
37(1587) DEBUG: <core> [parser/msg_parser.c:610]: parse_msg():  uri:     <
sip:unknown at 62.28.197.25:5060>
37(1587) DEBUG: <core> [parser/msg_parser.c:612]: parse_msg():  version:
<SIP/2.0>
37(1587) DEBUG: <core> [parser/parse_via.c:1254]: parse_via_param(): Found
param type 232, <branch> =
<z9hG4bK4693.2af96e95000000000000000000000000.0>; state=16
37(1587) DEBUG: <core> [parser/parse_via.c:2642]: parse_via(): end of
header reached, state=5
37(1587) DEBUG: <core> [parser/msg_parser.c:496]: parse_headers():
parse_headers: Via found, flags=2
37(1587) DEBUG: <core> [parser/msg_parser.c:498]: parse_headers():
parse_headers: this is the first via
37(1587) DEBUG: <core> [parser/parse_addr_spec.c:172]: parse_to_param():
DEBUG: add_param: tag=90d40279ee5745d8851aa989e6fadfc2
37(1587) DEBUG: <core> [parser/parse_addr_spec.c:894]: parse_addr_spec():
end of header reached, state=29
37(1587) DEBUG: <core> [parser/msg_parser.c:173]: get_hdr_field(): DEBUG:
get_hdr_field: <To> [64]; uri=[sip:unknown at 62.28.197.6]
37(1587) DEBUG: <core> [parser/msg_parser.c:175]: get_hdr_field(): DEBUG:
to body [<sip:unknown at 62.28.197.6>]
37(1587) DEBUG: <core> [parser/msg_parser.c:153]: get_hdr_field():
get_hdr_field: cseq <CSeq>: <0> <OPTIONS>
37(1587) DEBUG: <core> [parser/msg_parser.c:187]: get_hdr_field(): DEBUG:
get_hdr_body : content_length=0
*37(1587) ERROR: <core> [parser/msg_parser.c:96]: get_hdr_field(): ERROR:
get_hdr_field: bad header*
37(1587) DEBUG: <core> [parser/msg_parser.c:280]: get_hdr_field():
get_hdr_field: error exit
*37(1587) INFO: <core> [parser/msg_parser.c:338]: parse_headers(): ERROR:
bad header field [VC*

*]*
37(1587) DEBUG: topoh [topoh_mod.c:232]: th_prepare_msg(): parsing headers
failed37(1587) DEBUG: <core> [parser/msg_parser.c:606]: parse_msg(): SIP
Request:
37(1587) DEBUG: <core> [parser/msg_parser.c:608]: parse_msg():  method:
 <OPTIONS>
37(1587) DEBUG: <core> [parser/msg_parser.c:610]: parse_msg():  uri:     <
sip:unknown at 62.28.197.25:5060>
37(1587) DEBUG: <core> [parser/msg_parser.c:612]: parse_msg():  version:
<SIP/2.0>
37(1587) DEBUG: <core> [parser/parse_via.c:1254]: parse_via_param(): Found
param type 232, <branch> =
<z9hG4bK4693.2af96e95000000000000000000000000.0>; state=16
37(1587) DEBUG: <core> [parser/parse_via.c:2642]: parse_via(): end of
header reached, state=5
37(1587) DEBUG: <core> [parser/msg_parser.c:496]: parse_headers():
parse_headers: Via found, flags=2
37(1587) DEBUG: <core> [parser/msg_parser.c:498]: parse_headers():
parse_headers: this is the first via
37(1587) DEBUG: <core> [parser/parse_addr_spec.c:172]: parse_to_param():
DEBUG: add_param: tag=90d40279ee5745d8851aa989e6fadfc2
37(1587) DEBUG: <core> [parser/parse_addr_spec.c:894]: parse_addr_spec():
end of header reached, state=29
37(1587) DEBUG: <core> [parser/msg_parser.c:173]: get_hdr_field(): DEBUG:
get_hdr_field: <To> [64]; uri=[sip:unknown at 62.28.197.6]
37(1587) DEBUG: <core> [parser/msg_parser.c:175]: get_hdr_field(): DEBUG:
to body [<sip:unknown at 62.28.197.6>]
37(1587) DEBUG: <core> [parser/msg_parser.c:153]: get_hdr_field():
get_hdr_field: cseq <CSeq>: <0> <OPTIONS>
37(1587) DEBUG: <core> [parser/parse_addr_spec.c:172]: parse_to_param():
DEBUG: add_param: tag=e34d43e164ad4b7392dc9c6e1058a983
37(1587) DEBUG: <core> [parser/parse_addr_spec.c:894]: parse_addr_spec():
end of header reached, state=29
37(1587) DEBUG: dialog [dlg_cseq.c:215]: dlg_cseq_msg_sent(): traking cseq
updates
37(1587) DEBUG: dialog [dlg_hash.c:671]: internal_get_dlg(): ref dlg
0x7f89134c1d40 with 1 -> 4
37(1587) DEBUG: dialog [dlg_hash.c:674]: internal_get_dlg(): dialog
callid='13208317017c42128fbf00e1685ee1b3' found on entry 2350, dir=2
37(1587) DEBUG: dialog [dlg_cseq.c:233]: dlg_cseq_msg_sent(): request not
going downstream (2)
37(1587) DEBUG: dialog [dlg_hash.c:846]: dlg_unref(): unref dlg
0x7f89134c1d40 with 1 -> 3
37(1587) DEBUG: dialog [dlg_req_within.c:452]: dlg_send_ka(): keep-alive
sent to caller
37(1587) DEBUG: dialog [dlg_req_within.c:427]: dlg_send_ka(): sending
OPTIONS to callee

I'm using the following dialog configuration:

modparam("dialog","db_url", DBURL)
modparam("dialog","db_mode", 0)
modparam("dialog","enable_stats", 1)
modparam("dialog","dlg_flag", DLG_FLAG)
modparam("dialog","profiles_with_value","concurrentcalls")
modparam("dialog", "detect_spirals", 1)
modparam("dialog","dlg_match_mode", 2)
modparam("dialog", "initial_cbs_inscript", 0)
modparam("dialog", "default_timeout", 3600)
modparam("dialog", "send_bye", 1)
modparam("dialog", "timeout_avp", "$avp(s:timeout_dlg)")
modparam("dialog", "track_cseq_updates", 1)
modparam("dialog", "ka_timer", 10)
modparam("dialog", "ka_interval", 30)


I'm  also using topoh module.

Anyone can help me to identify if I'm doing the proper configuration?

Thank you for your support

Best Regards

José Seabra
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