Mine is not working now either
On Jan 30, 2017 9:09 PM, "sebalis" <[email protected]> wrote:

> Hi,
>
> My existing and regularly used Linphone instance stopped working recently.
> The log messages say that server DNS resolution fails. Other SIP clients
> debug a similar configuration are still working. Any idea what I could do?
>
> Something really strange is that I can't detect any network traffic coming
> from Linphone between starting a fresh process, seeing that it won't
> connect, copying the contents of the debug window to the clipboard, and
> ending the process. This throws the debug messages in doubt I would say.
> There is no local firewall that would prevent Linphone from accessing the
> network (I have UFW installed but it’s disabled).
>
> Here are some extracts from my .linphonerc and the debug window. I have an
> account with well-known German provider sipgate and have configured
> Linphone to use STUN via stun.sipgate.net:10000. I don’t know if this is
> relevant but I am on Arch Linux and my system is fully updated.
>
> .linphonerc extracts: (some strings changed to ___, some comments in
> brackets)
>
>> [sip]
>> root_ca=/etc/ssl/certs
>> verify_server_certs=1
>> verify_server_cn=1
>> media_encryption=none
>> default_proxy=0
>> multi_transport_migration_done=1
>> guess_hostname=1
>> inc_timeout=30
>> in_call_timeout=0
>> delayed_timeout=4
>> use_ipv6=0
>> register_only_when_network_is_up=1
>> register_only_when_upnp_is_ok=1
>> contact="" <sip:[email protected]:5060>
>>
> [...]
>
>> [net]
>> download_bw=0
>> upload_bw=0
>> adaptive_rate_control=1
>> mtu=1300
>> stun_server=stun.sipgate.net:10000
>> nat_policy_ref=___ (matches ref in nat_policy_0)
>>
> [...]
>
>> [proxy_0]
>> reg_proxy=sip:sipgate.de
>> reg_identity=sip:[email protected]
>> quality_reporting_enabled=0
>> quality_reporting_interval=0
>> reg_expires=60
>> reg_sendregister=1
>> publish=0
>> avpf=0
>> avpf_rr_interval=5
>> dial_escape_plus=0
>> privacy=32768
>> publish_expires=60
>>
> [...]
>
>> [nat_policy_0]
>> ref=___
>> stun_server=stun.sipgate.net:10000
>> protocols=stun
>>
> [...]
>
>> [auth_info_2]
>> username=___ (matches userid)
>> userid=___
>> ha1=___
>> realm=sipgate.de
>> domain=sipgate.de
>>
>
> Messages that look like potential problems from the debug window:
> (10.1.0.1 is my router)
>
>> message: 2017-01-30 13:17:20:460 Resolver is using DNS server(s):
>> message: 2017-01-30 13:17:20:460        10.1.0.1
>> message: 2017-01-30 13:17:20:460 No SRV result for [_stun._
>> udp.stun.sipgate.net], trying A/AAAA.
>> message: 2017-01-30 13:17:20:460 Resolver is using DNS server(s):
>> message: 2017-01-30 13:17:20:460        10.1.0.1
>> warning: 2017-01-30 13:17:20:460 Stun server resolution failed.
>> message: 2017-01-30 13:17:20:460 MTU is supposed to be 1300, rtp payload
>> max size will be 1240
>>
>
> Testing DNS resolution for this first problem:
>
>> $ dig @10.1.0.1 _stun._udp.stun.sipgate.net srv
>>
>> ; <<>> DiG 9.11.0-P2 <<>> @10.1.0.1 _stun._udp.stun.sipgate.net srv
>> ; (1 server found)
>> ;; global options: +cmd
>> ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35818
>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
>>
>> ;; OPT PSEUDOSECTION:
>> ; EDNS: version: 0, flags:; udp: 4096
>> ;; QUESTION SECTION:
>> ;_stun._udp.stun.sipgate.net.   IN      SRV
>>
>> ;; AUTHORITY SECTION:
>> sipgate.net.            3600    IN      SOA     ns1.netzquadrat.de.
>> dnsadmin.netzquadrat.de. 2017010200 10800 3600 604800 86400
>>
>> ;; Query time: 98 msec
>> ;; SERVER: 10.1.0.1#53(10.1.0.1)
>> ;; WHEN: Mon Jan 30 13:27:32 CET 2017
>> ;; MSG SIZE  rcvd: 119
>>
>
>
> Back to the debug window:
>
>> message: 2017-01-30 13:17:20:460 Could not find encoder for SILK
>>
> (Several messages like this one follow)
> [...]
>
>> message: 2017-01-30 13:17:20:594 New local ip address is 10.1.0.100
>> message: 2017-01-30 13:17:20:594 SIP network reachability state is now
>> [UP]
>> message: 2017-01-30 13:17:20:594 Resolver is using DNS server(s):
>> message: 2017-01-30 13:17:20:594        10.1.0.1
>> message: 2017-01-30 13:17:20:594 No SRV result for [_stun._
>> udp.stun.sipgate.net], trying A/AAAA.
>> message: 2017-01-30 13:17:20:594 Resolver is using DNS server(s):
>> message: 2017-01-30 13:17:20:595        10.1.0.1
>> warning: 2017-01-30 13:17:20:595 Stun server resolution failed.
>> message: 2017-01-30 13:17:20:595 Media network reachability state is now
>> [UP]
>> message: 2017-01-30 13:17:20:595 LinphoneProxyConfig [0x265c430] about to
>> register (LinphoneCore version: 3.10.2)
>> message: 2017-01-30 13:17:20:597 belle_sip_client_transaction_send_request():
>> waiting channel to be ready
>> message: 2017-01-30 13:17:20:597 channel [0x27645d0]: starting resolution
>> of sipgate.de
>> message: 2017-01-30 13:17:20:597 channel 0x27645d0: state RES_IN_PROGRESS
>> message: 2017-01-30 13:17:20:597 transaction [0x275b960] channel state
>> changed to [RES_IN_PROGRESS]
>> message: 2017-01-30 13:17:20:597 Resolver is using DNS server(s):
>> message: 2017-01-30 13:17:20:597        10.1.0.1
>> message: 2017-01-30 13:17:20:597 No SRV result for [_sip._udp.sipgate.de],
>> trying A/AAAA.
>> message: 2017-01-30 13:17:20:597 Resolver is using DNS server(s):
>> message: 2017-01-30 13:17:20:597        10.1.0.1
>> error: 2017-01-30 13:17:20:597 channel_res_done: DNS resolution failed
>> for sipgate.de
>> message: 2017-01-30 13:17:20:597 channel 0x27645d0: state ERROR
>> message: 2017-01-30 13:17:20:597 Neither Expires header nor corresponding
>> Contact header found, checking from original request
>> message: 2017-01-30 13:17:20:598 Refresher [0x27628c0] takes ownership of
>> transaction [0x275b960]
>> message: 2017-01-30 13:17:20:598 Proxy config [0x265c430] for identity [
>> sip:[email protected]] moving from state [LinphoneRegistrationNone] to
>> [LinphoneRegistrationProgress] on core [0x2605960]
>> message: 2017-01-30 13:17:20:600 Linphone core [0x2605960] notifying
>> [registration_state_changed]
>> message: 2017-01-30 13:17:20:600 LinphoneProxyConfig [0x26b1680] about to
>> register (LinphoneCore version: 3.10.2)
>> message: 2017-01-30 13:17:20:602 belle_sip_client_transaction_send_request():
>> waiting channel to be ready
>>
>
> This section contains the DNS error about my STUN server sipgate.net a
> second time, and another such error about my SIP account itself at
> sipgate.de – testing that one too:
>
> $ dig @10.1.0.1 _stun._udp.sipgate.de srv
>>
>> ; <<>> DiG 9.11.0-P2 <<>> @10.1.0.1 _stun._udp.sipgate.de srv
>> ; (1 server found)
>> ;; global options: +cmd
>> ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3293
>> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
>>
>> ;; OPT PSEUDOSECTION:
>> ; EDNS: version: 0, flags:; udp: 4096
>> ;; QUESTION SECTION:
>> ;_stun._udp.sipgate.de.         IN      SRV
>>
>> ;; ANSWER SECTION:
>> _stun._udp.sipgate.de.  28794   IN      SRV     0 0 3478 stun.sipgate.net
>> .
>>
>> ;; Query time: 67 msec
>> ;; SERVER: 10.1.0.1#53(10.1.0.1)
>> ;; WHEN: Mon Jan 30 13:32:17 CET 2017
>> ;; MSG SIZE  rcvd: 86
>>
>
> This is followed by similar messages regarding two other SIP accounts that
> I use. And as I said, this used to work in Linphone until some time in
> December or early January.
>
> Thanks for any help you can give.
>
> sebalis
>
> _______________________________________________
> Linphone-users mailing list
> [email protected]
> https://lists.nongnu.org/mailman/listinfo/linphone-users
>
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