I deleted the res_resolver_unbound.so module, and now it works as expected. So, the problem is related to the 'unbound' resolver? FYI: I'm using Asterisk 16.2 installed from Debian 10 repository.
Best regards, Leonid Fainshtein On Thu, Aug 27, 2020 at 3:01 PM Joshua C. Colp <[email protected]> wrote: > On Thu, Aug 27, 2020 at 8:58 AM Leonid Fainshtein < > [email protected]> wrote: > >> I see that pjsip_resolver.c tries unsuccessfuly to resolve the >> hostname each 10 seconds: >> >> [Aug 27 07:51:36] DEBUG[595] res_pjsip.c: 0x7f75282eb150: Wrapper created >> [Aug 27 07:51:36] DEBUG[595] res_pjsip.c: 0x7f75282eb150: Set timer to >> 2000 msec >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: Performing SIP >> DNS resolution of target 'rpi6.in.xorcom.com' >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: Transport type >> for target 'rpi6.in.xorcom.com' is 'Unspecified' >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Created resolution tracking for target 'rpi6.in.xorcom.com' >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Added target 'rpi6.in.xorcom.com' with record type '35', transport >> 'Unspecified', and port '0' >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Added target '_sips._tcp.rpi6.in.xorcom.com' with record type '33', >> transport 'TLS', and port '5061' >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Added target '_sip._tcp.rpi6.in.xorcom.com' with record type '33', >> transport 'TCP', and port '5060' >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Added target '_sip._udp.rpi6.in.xorcom.com' with record type '33', >> transport 'UDP', and port '5060' >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Added target 'rpi6.in.xorcom.com' with record type '1', transport 'UDP', >> and port '5060' >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Starting initial resolution using parallel queries for target ' >> rpi6.in.xorcom.com' >> [Aug 27 07:51:36] DEBUG[605] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> All parallel queries completed >> [Aug 27 07:51:36] DEBUG[605] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Resolution completed - 0 viable targets >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_resolver.c: [0x7f75282fe7f8] >> Invoking user callback with '0' addresses >> [Aug 27 07:51:36] DEBUG[595] res_pjsip.c: 0x7f75282eb150: PJSIP tsx >> response received >> [Aug 27 07:51:36] DEBUG[595] res_pjsip.c: 0x7f75282eb150: Cancelling >> timer >> [Aug 27 07:51:36] DEBUG[595] res_pjsip.c: 0x7f75282eb150: Timer cancelled >> [Aug 27 07:51:36] DEBUG[595] res_pjsip.c: 0x7f75282eb150: Callbacks >> executed >> [Aug 27 07:51:36] DEBUG[595] res_pjsip.c: 0x7f75282eb150: wrapper >> destroyed >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_options.c: Contact g145/sip: >> rpi6.in.xorcom.com status didn't change: Unreachable, RTT: 0.000 msec >> [Aug 27 07:51:36] DEBUG[595] res_pjsip/pjsip_options.c: AOR 'g145' now >> has 0 available contacts >> >> But a DNS server is available at this time: >> # host rpi6.in.xorcom.com >> rpi6.in.xorcom.com has address 192.168.0.175 >> >> # ping rpi6.in.xorcom.com >> PING rpi6.in.xorcom.com (192.168.0.175) 56(84) bytes of data. >> 64 bytes from rpi6.in.xorcom.com (192.168.0.175): icmp_seq=1 ttl=64 >> time=0.990 ms >> > > What DNS resolver implementation is in use? system or unbound? > > Asterisk itself doesn't do any caching, we defer it to the underlying > implementation. It could be caching a negative response. > > -- > Joshua C. Colp > Asterisk Technical Lead > Sangoma Technologies > Check us out at www.sangoma.com and www.asterisk.org > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > Check out the new Asterisk community forum at: > https://community.asterisk.org/ > > New to Asterisk? Start here: > https://wiki.asterisk.org/wiki/display/AST/Getting+Started > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- Check out the new Asterisk community forum at: https://community.asterisk.org/ New to Asterisk? Start here: https://wiki.asterisk.org/wiki/display/AST/Getting+Started asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
