WHy not installing rtpproxy and proxying all rtp to the inside uase kamailio to load balance them, it will be transparent on the inside perhaps a cleaner solution?
On Mon, Mar 13, 2017 at 3:21 PM, Kjeld Flarup <k...@viptel.dk> wrote: > As I recall it is sequential, but not from the start everytime, it is > incrementing all the time. > > If You are running three servers, then with a 100% identical load, one > would expect an average of 2 failing attempts per call. > > The reality I see is however often very different RTP ports, most likely > because load isn't 100% identical. > > > Med venlig hilsen / Best regards > Kjeld Flarup (Christensen) M.Sc E.E, Teknisk chef > Viptel ApS, Hammershusvej 16C, DK-7400 Herning > Telefon: +45 46949949, Telefax: +45 46949950, http://viptel.dk > > On 03/13/2017 11:05 PM, Alex Balashov wrote: > >> Well, indeed, but a sequential scan of many consecutive ports like this >> from the bottom of the same range can be quite a latent operation. So at >> the very least the allocation strategy would benefit from being random. >> Does Asterisk take that approach? >> >> On March 13, 2017 6:04:06 PM EDT, Kjeld Flarup <k...@viptel.dk> wrote: >> >>> No there is no such thing as magic. >>> >>> The most obvious way to implement the RTP port handling, is to first >>> open the next UDP port in the OS, and then report that back in the >>> Invite/200Ok. If the port cannot be opened, then simply try the next in >>> >>> line. >>> >>> >>> Med venlig hilsen / Best regards >>> Kjeld Flarup (Christensen) M.Sc E.E, Teknisk chef >>> Viptel ApS, Hammershusvej 16C, DK-7400 Herning >>> Telefon: +45 46949949, Telefax: +45 46949950, http://viptel.dk >>> >>> On 03/13/2017 01:52 PM, przeqpiciel wrote: >>> >>>> Maybe there is an magic device? I know that if we have an asterisk, >>>> that become to us with default configuration of rtp ports sets to >>>> 10000_20000. And each call choose the one port fron that range. So if >>>> we have several asterisks with default configuratiin of rtp, there is >>>> possibilities to have 2 concurent calls each through another asterisk >>>> instance with this same rtp port. Am i right? >>>> >>>> So mqybe this magic device could see source IP address and route rtp >>>> to correct adterisk? >>>> >>>> 13.03.2017 7:15 AM "Alex Balashov" <abalas...@evaristesys.com >>>> <mailto:abalas...@evaristesys.com>> napisał(a): >>>> >>>> On Mon, Mar 13, 2017 at 07:08:09AM +0100, Kjeld Flarup wrote: >>>> >>>> > We run multiple Asterisk instances since 1.4 and never >>>> configured RTP ports. >>>> > >>>> > More challenging issues are the Asterisk DB, and the Asteisk >>>> >>> home. >>> >>>> You may not have enough calls for RTP port collisions to become >>>> >>> an >>> >>>> issue. Otherwise, I'm not sure how you're avoiding it, since >>>> >>> Asterisk >>> >>>> isn't aware of which ports from within the range are in use. >>>> >>>> -- >>>> Alex Balashov | Principal | Evariste Systems LLC >>>> >>>> Tel: +1-706-510-6800 <tel:%2B1-706-510-6800> / +1-800-250-5920 >>>> <tel:%2B1-800-250-5920> (toll-free) >>>> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ >>>> >>>> _______________________________________________ >>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users >>>> >>> mailing >>> >>>> list >>>> sr-users@lists.sip-router.org >>>> >>> <mailto:sr-users@lists.sip-router.org> >>> >>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>>> <http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users> >>>> >>>> >>>> >>>> _______________________________________________ >>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing >>>> >>> list >>> >>>> sr-users@lists.sip-router.org >>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >>>> >>> >> -- Alex >> >> -- >> Principal, Evariste Systems LLC (www.evaristesys.com) >> >> Sent from my Google Nexus. >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list >> sr-users@lists.sip-router.org >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >
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