[Blink] Intermittent registration failures against Asterisk

Ben Klang bklang at verendus.com
Fri Feb 11 00:46:32 CET 2011

On Feb 10, 2011, at 6:41 PM, Saúl Ibarra Corretgé wrote:

> Hi Ben,
> On 02/11/2011 12:12 AM, Ben Klang wrote:
>> Hello Blink,
>> I have been using Blink for quite some time now with good success.
>> Recently I've been having a problem with intermittent registration
>> issues. The configuration of the client and the server have not changed.
>> On one of the two affected machines I am using Blink Pro 1.0.0; on the
>> other I am running Blink 0.23.1. The issue is the same on both versions.
>> Asterisk is version
>> To get around NAT issues I have my registration timer set to 60 seconds.
>> The symptom is very reliable. On launching Blink I get a successful
>> registration to Asterisk. About 1 minute later a message pops up on the
>> screen saying: "The account verendusf80a822 at pbx-atlanta1.alkaloid.net
>> <mailto:verendusf80a822 at pbx-atlanta1.alkaloid.net> could not be
>> registered because of an authentication error". About 1 minute after
>> that I get another good registration, followed by another failure, and
>> so on, indefinitely.
>> On the Asterisk console I noticed this message:
>> [Feb 10 18:04:37] NOTICE[602]: chan_sip.c:13561 check_auth: Correct
>> auth, but based on stale nonce received from '"Ben Klang"
>> <sip:verendusf80a822 at pbx-atlanta1.alkaloid.net>;tag=qAD14GlpbUdopGR2n5W29g127MMZ3Psq'
>> Note that the message is only visible when I turn on SIP debugging in
>> Asterisk's console.
>> Is this a bug in Blink or Asterisk?
> The stale nonce means that authentication credentials were reused and the server rejects them. Could you please send us a the SIP trace when this occurs?

Hi Saúl,

Thanks for the response.  I have attached the SIP trace as seen on Asterisk's console here.  This includes the initial successful registration followed by the failing registration.


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> Thanks!
> -- 
> Saúl Ibarra Corretgé
> AG Projects
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