30 calls in a trunk will be fine for IAX. In fact IAX has a 'trunked' mode that could enable that allows you to save quite a lot of bandwidth by shrinking the packet headers between a pair of asterisk systems.
Tim. On 2 Jan 2008, at 15:26, bilal ghayyad wrote: > Hi Rob; > > Big thanks for your kindly help and answer, so > rtp.conf file is used by sip and h323 only, correct? > In that case if I am going to use the sip trunk then I > need to route the UDP ports used by the rtp.conf file > and that existed in sip.conf, but really i do not know > if any use TCP. Correct? > > But I would like to ask how all the calls of the trunk > (sometimes it could be 30 calls for example) will > handled by one port only (in iax protocol)? Does not > mean that in huge calls, sip might work better? > > Your kindly help is high appreciated. > Regards > Bilal > > ----------------------- > The reason that IAX2 is considered good for NAT issues > is that it uses > only one port for both control messages and voice > traffic as opposed to > SIP that uses a predictable port for control messages > and an > unpredictable one for voice/video traffic. > > If both servers are behind NAT servers, you /will/ > need to ensure that > the appropriate UDP port (by default 4569) are > forwarded to your > Asterisk servers. Only this port is required - RTP > isn't used by IAX2. > > bilal ghayyad wrote: >> Hi List; >> >> I heared that IAX is good for NATing issues, but I > do >> not know if it can help me in that senario: >> >> I have two Asterisks machines in different sites and >> both are behind NAT (both have private IP address), > I >> need to link these two asterisks with IAX trunk (if > it >> help really in such senario), but I do not know if > it >> will work without doing special routing settings on >> the router (like TCP/UDP port mapping or IP >> forwarding)? How that will be it if possible? Or I >> have to do a kind of port mapping? >> >> If I will need to use port mapping, then I have to > map >> the TCP and UDP ports that are determined in > iax.conf >> and rtp.conf files at site A for asterisk ip address >> at site A? Or I have to map the TCP and UDP ports > that >> are in iax.conf and rtp.conf at site B for asterisk > ip >> address at site A? In other words, if I am at site B >> then I have to go for router B and do mapping for >> TCP/UDP ports of the asterisk at site B or the >> asterisk at site A? >> >> Any help. >> Regards >> Bilal > > > > > ____________________________________________________________________________________ > Looking for last minute shopping deals? > Find them fast with Yahoo! Search. > http://tools.search.yahoo.com/newsearch/category.php?category=shopping > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > 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-- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
