Hi, >-----Original Message----- >From: ext Carlos S. Antunes [mailto:c...@nowthor.com] >Sent: Friday, August 21, 2009 7:20 AM >To: sofia-sip-devel@lists.sourceforge.net >Subject: [Sofia-sip-devel] DNS SRV and Authorization > >I am currently testing Freeswitch which, as you probably are aware, >relies on Sofia-SIP. > >To conduct tests, I am using a Callcentric account. > >Callcentric uses DNS SRV records as a way to direct traffic to >their SIP >proxies. A 'srv' 'dig' of '_sip._udp.callcentric.com' returns: > >_sip._udp.callcentric.com. 10025 IN SRV 20 7 5080 >alpha6.callcentric.com. >_sip._udp.callcentric.com. 10025 IN SRV 20 7 5080 >alpha7.callcentric.com. >_sip._udp.callcentric.com. 10025 IN SRV 20 7 5080 >alpha1.callcentric.com. >_sip._udp.callcentric.com. 10025 IN SRV 20 7 5080 >alpha3.callcentric.com. > >Based on this information, Sofia-SIP appears to correctly round robin >all available IP addresses. There is a situation, however, in >which this >round robin causes problems: in the middle of authorizations.
Yes, it's a known problem, it was reported for Maemo devices as well. A fix would need to implement transport affinity for NTA handles (or perhaps, even NUA usages), so that a register usage, or a dialog, sticks to one secondary transport for as long as it's available. Best regards, Mikhail ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Sofia-sip-devel mailing list Sofia-sip-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sofia-sip-devel
