Hello.
I have two records in dialplan:
exten => testA,1,Dial(PJSIP/outgoing/sip:[email protected])
exten => testB,1,Dial(PJSIP/outgoing/sip:[email protected])
Calling testA works fine while testB fails with "CONGESTION".
Adding debug for console shows that pjsip_resolver.c does
`New queries added, performing parallel resolution again`
for linphone after discovering SRV records, and does not for iptel.
It looks like a bug.
All modules are loaded manually, with autoload=no, res_resolver_unbound
is not loaded.
Asterisk 16.2.1~dfsg-1+deb10u2 debian stable.
I have another Asterisk 16.3.0 on OpenWrt 19.07.3 that resolves both
cases, but uses musl.
testB:
res_pjsip/pjsip_resolver.c:477 sip_resolve: Performing SIP DNS
resolution of target 'iptel.org'
res_pjsip/pjsip_resolver.c:504 sip_resolve: Transport type for target
'iptel.org' is 'Unspecified'
res_pjsip/pjsip_resolver.c:547 sip_resolve: [0x7f4e740564e8] Created
resolution tracking for target 'iptel.org'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740564e8] Added
target 'iptel.org' with record type '35', transport 'Unspecified', and
port '0'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740564e8] Added
target '_sips._tcp.iptel.org' with record type '33', transport 'TLS',
and port '5061'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740564e8] Added
target '_sip._tcp.iptel.org' with record type '33', transport 'TCP', and
port '5060'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740564e8] Added
target '_sip._udp.iptel.org' with record type '33', transport 'UDP', and
port '5060'
res_pjsip/pjsip_resolver.c:616 sip_resolve: [0x7f4e740564e8] Starting
initial resolution using parallel queries for target 'iptel.org'
res_pjsip_session.c:3538 session_inv_on_state_changed: Source of
transaction state change is TX_MSG
dns.c:557 ast_search_dns_ex: DNS search failed for iptel.org
dns_system_resolver.c:155 dns_system_resolver_process_query: DNS search
failed for query: 'iptel.org'
dns.c:557 ast_search_dns_ex: DNS search failed for _sips._tcp.iptel.org
dns_system_resolver.c:155 dns_system_resolver_process_query: DNS search
failed for query: '_sips._tcp.iptel.org'
res_pjsip/pjsip_resolver.c:277 sip_resolve_callback: [0x7f4e740564e8]
All parallel queries completed
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740564e8]
SRV record received on target '_sip._tcp.iptel.org'
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740564e8]
SRV record received on target '_sip._udp.iptel.org'
res_pjsip/pjsip_resolver.c:419 sip_resolve_callback: [0x7f4e740564e8]
Resolution completed - 0 viable targets
res_pjsip/pjsip_resolver.c:207 sip_resolve_invoke_user_callback:
[0x7f4e740564e8] Invoking user callback with '0' addresses
testA:
res_pjsip/pjsip_resolver.c:477 sip_resolve: Performing SIP DNS
resolution of target 'sip.linphone.org'
res_pjsip/pjsip_resolver.c:504 sip_resolve: Transport type for target
'sip.linphone.org' is 'Unspecified'
res_pjsip/pjsip_resolver.c:547 sip_resolve: [0x7f4e740593f8] Created
resolution tracking for target 'sip.linphone.org'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740593f8] Added
target 'sip.linphone.org' with record type '35', transport
'Unspecified', and port '0'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740593f8] Added
target '_sips._tcp.sip.linphone.org' with record type '33', transport
'TLS', and port '5061'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740593f8] Added
target '_sip._tcp.sip.linphone.org' with record type '33', transport
'TCP', and port '5060'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740593f8] Added
target '_sip._udp.sip.linphone.org' with record type '33', transport
'UDP', and port '5060'
res_pjsip/pjsip_resolver.c:616 sip_resolve: [0x7f4e740593f8] Starting
initial resolution using parallel queries for target 'sip.linphone.org'
res_pjsip_session.c:3538 session_inv_on_state_changed: Source of
transaction state change is TX_MSG
dns.c:557 ast_search_dns_ex: DNS search failed for sip.linphone.org
dns_system_resolver.c:155 dns_system_resolver_process_query: DNS search
failed for query: 'sip.linphone.org'
res_pjsip/pjsip_resolver.c:277 sip_resolve_callback: [0x7f4e740593f8]
All parallel queries completed
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740593f8]
SRV record received on target '_sips._tcp.sip.linphone.org'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740593f8] Added
target 'sip6.linphone.org' with record type '1', transport 'TLS', and
port '5223'
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740593f8]
SRV record received on target '_sips._tcp.sip.linphone.org'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740593f8] Added
target 'sip1.linphone.org' with record type '1', transport 'TLS', and
port '5223'
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740593f8]
SRV record received on target '_sips._tcp.sip.linphone.org'
res_pjsip/pjsip_resolver.c:177 sip_resolve_add: [0x7f4e740593f8] Added
target 'sip6.linphone.org' with record type '1', transport 'TLS', and
port '443'
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740593f8]
SRV record received on target '_sip._tcp.sip.linphone.org'
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740593f8]
SRV record received on target '_sip._tcp.sip.linphone.org'
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740593f8]
SRV record received on target '_sip._udp.sip.linphone.org'
res_pjsip/pjsip_resolver.c:349 sip_resolve_callback: [0x7f4e740593f8]
SRV record received on target '_sip._udp.sip.linphone.org'
res_pjsip/pjsip_resolver.c:413 sip_resolve_callback: [0x7f4e740593f8]
New queries added, performing parallel resolution again
res_pjsip/pjsip_resolver.c:277 sip_resolve_callback: [0x7f4e740593f8]
All parallel queries completed
res_pjsip/pjsip_resolver.c:326 sip_resolve_callback: [0x7f4e740593f8] A
record received on target 'sip6.linphone.org'
res_pjsip/pjsip_resolver.c:326 sip_resolve_callback: [0x7f4e740593f8] A
record received on target 'sip1.linphone.org'
res_pjsip/pjsip_resolver.c:326 sip_resolve_callback: [0x7f4e740593f8] A
record received on target 'sip6.linphone.org'
res_pjsip/pjsip_resolver.c:419 sip_resolve_callback: [0x7f4e740593f8]
Resolution completed - 3 viable targets
res_pjsip/pjsip_resolver.c:201 sip_resolve_invoke_user_callback:
[0x7f4e740593f8] Address '0' is 54.37.202.229:5223 with transport 'TLS'
res_pjsip/pjsip_resolver.c:201 sip_resolve_invoke_user_callback:
[0x7f4e740593f8] Address '1' is 91.121.209.194:5223 with transport 'TLS'
res_pjsip/pjsip_resolver.c:201 sip_resolve_invoke_user_callback:
[0x7f4e740593f8] Address '2' is 54.37.202.229:443 with transport 'TLS'
res_pjsip/pjsip_resolver.c:207 sip_resolve_invoke_user_callback:
[0x7f4e740593f8] Invoking user callback with '3' addresses
% host iptel.org
iptel.org has address 212.79.111.155
iptel.org mail is handled by 50 mx3.zoho.com.
iptel.org mail is handled by 10 mx.zoho.com.
iptel.org mail is handled by 20 mx2.zoho.com.
% host -t SRV _sip._tcp.iptel.org
_sip._tcp.iptel.org has SRV record 0 100 5060 sip.iptel.org.
% host -t SRV _sip._udp.iptel.org
_sip._udp.iptel.org has SRV record 0 25 5060 sip.iptel.org.
% host sip.iptel.org
sip.iptel.org has address 212.79.111.155
I've already tried to ask community.asterisk.org without success.
https://community.asterisk.org/t/resolving-issue/85861
--
sergio.
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