<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Hi Hoai Anh,<br><br>I've asked a telecommunication engineer, and he said me that MSC support load balancing.<br><br>Thanks for your answer. <br><br><br><br>--- On <b>Thu, 4/1/10, Ngo-Vi Hoai-Anh <i><hoaianh@gmx.de></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: Ngo-Vi Hoai-Anh <hoaianh@gmx.de><br>Subject: Re: [asterisk-users] Asterisk load balancing and failover<br>To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users@lists.digium.com><br>Date: Thursday, April 1, 2010, 3:01 AM<br><br><div class="plainMail">I'm not quite sure what do you mean with MSC.<br><br>Anyway, I assume your environment is like<br><br>[PSTN (Public Switched Telephone Network)]<------------------>[DTM <br>Switch]<-----------SS7 (PRI
line)---------------->[Asterisk <br>Box]<----------------VoIP (SIP/IAX etc...)---------> IP net<br><br>If you mean MSC Mobile Switching Center it could look like<br>[GSM Network]<------------------------->[MSC]<----------------- SS7 <br>-------------------->[Asterisk <br>Box]<---------------------VoIP---------------------->IP net<br><br>Normally, the DTM Switch or MSC should be configurable for <br>load-balancing and failover.<br><br>Point code is for SS7 networking like IP address for IP networking.<br><br>huu giang schrieb:<br>> Do you mean that SS7 switch is a MSC and do all MSC support load <br>> balancing without any hardware between it and my Server.<br>><br>> Sorry for my English, what do you mean two point codes for my servers <br>> ?. I have at least two servers.<br>><br>><br>> --- On *Wed, 3/31/10, Tobias Wolf /<<a ymailto="mailto:tobias.wolf@evision.de"
href="/mc/compose?to=tobias.wolf@evision.de">tobias.wolf@evision.de</a>>/* wrote:<br>><br>><br>> From: Tobias Wolf <<a ymailto="mailto:tobias.wolf@evision.de" href="/mc/compose?to=tobias.wolf@evision.de">tobias.wolf@evision.de</a>><br>> Subject: Re: [asterisk-users] Asterisk load balancing and failover<br>> To: "Asterisk Users Mailing List - Non-Commercial Discussion"<br>> <<a ymailto="mailto:asterisk-users@lists.digium.com" href="/mc/compose?to=asterisk-users@lists.digium.com">asterisk-users@lists.digium.com</a>><br>> Date: Wednesday, March 31, 2010, 4:27 AM<br>><br>> huu giang schrieb:<br>> > Hi Zeeshan<br>> ><br>> > I know a solution using DRBD, Heartbeat and RedFone hardware
to<br>> > provide failover ability to Asterisk.<br>> ><br>> > If I have two Asterisk Servers, and each server has a TDM card<br>> and a<br>> > PRI line connect to each card, how your solution can provide<br>> failover<br>> > ability to Asterisk ? Do you need any other hardware?<br>> ><br>> > The calles to my IVR System don't just come from IP network<br>> (SIP) but<br>> > can come from SS7 network.<br>> ><br>> Well, if that case the SS7 Switch to which you are connected<br>> should be<br>> able to load balance the call to both of
your servers. I guess you<br>> have<br>> two point codes for you servers? If one server goes down, the ss7<br>> switch<br>> received the red alarms and<br>> stops to route calls to it. Once the server is up again it will<br>> get new<br>> calls.<br>><br>> So, we only thing you have to worry about is to keep state<br>> information<br>> between the two servers consistent if people record messages or<br>> access<br>> databases.<br>><br>> Regards,<br>><br>> Tobias<br>> ><br>> > Thanks.<br>>
><br>> ><br>> ><br>> ><br>> > --- On *Fri, 3/26/10, Zeeshan Zakaria /<<a ymailto="mailto:zishanov@gmail.com" href="/mc/compose?to=zishanov@gmail.com">zishanov@gmail.com</a><br>> </mc/compose?to=<a ymailto="mailto:zishanov@gmail.com" href="/mc/compose?to=zishanov@gmail.com">zishanov@gmail.com</a>>>/* wrote:<br>> ><br>> ><br>> > From: Zeeshan Zakaria <<a ymailto="mailto:zishanov@gmail.com" href="/mc/compose?to=zishanov@gmail.com">zishanov@gmail.com</a><br>> </mc/compose?to=<a ymailto="mailto:zishanov@gmail.com" href="/mc/compose?to=zishanov@gmail.com">zishanov@gmail.com</a>>><br>> >
Subject: Re: [asterisk-users] Asterisk load balancing and<br>> failover<br>> > To: "Asterisk Users Mailing List - Non-Commercial Discussion"<br>> > <<a ymailto="mailto:asterisk-users@lists.digium.com" href="/mc/compose?to=asterisk-users@lists.digium.com">asterisk-users@lists.digium.com</a><br>> </mc/compose?to=<a ymailto="mailto:asterisk-users@lists.digium.com" href="/mc/compose?to=asterisk-users@lists.digium.com">asterisk-users@lists.digium.com</a>>><br>> > Date: Friday, March 26, 2010, 1:51 AM<br>> ><br>> > About two years ago I setup two high availability solutions<br>> using<br>>
> DRBD and Heartbeat. The worked great and shutting down or<br>> > unplugging one server stayed transparent for the callers, as<br>> IVRs<br>> > stayed available. Having said this, it was not very straight<br>> > forward to set it up, but not very difficut either. So Heartbeat<br>> > and DRBD can be a good starting point for you.<br>> ><br>> > --<br>> > Zeeshan A Zakaria<br>> ><br>> >> On 2010-03-26 4:40 AM, "huu giang" <<a
ymailto="mailto:huugiang104@yahoo.com" href="/mc/compose?to=huugiang104@yahoo.com">huugiang104@yahoo.com</a><br>> </mc/compose?to=<a ymailto="mailto:huugiang104@yahoo.com" href="/mc/compose?to=huugiang104@yahoo.com">huugiang104@yahoo.com</a>><br>> >> </mc/compose?to=<a ymailto="mailto:huugiang104@yahoo.com" href="/mc/compose?to=huugiang104@yahoo.com">huugiang104@yahoo.com</a><br>> </mc/compose?to=<a ymailto="mailto:huugiang104@yahoo.com" href="/mc/compose?to=huugiang104@yahoo.com">huugiang104@yahoo.com</a>>>> wrote:<br>> >><br>> >> Hi List,<br>> >><br>> >> I'm finding a solution to provide failover and load balancing<br>>
>> features to my IVR system.<br>> >><br>> >> Anyone suggest me what is the best solution please?. what the<br>> >> hardware I should use ?.<br>> >><br>> >> I heard about RedFone, but someone on the mail list said<br>> that it<br>> >> is not good because *TDMoE* module in asterisk is not so<br>> *stable*<br>> >> and TDMoE is stale. And It seems that RedFone doesn't not<br>> support<br>> >> load balancing ability (I can't find
any document about this<br>> >> feature).<br>> >><br>> >> Best Regards,<br>> >> Giang Huu.<br>> >><br>> >><br>> >><br>> >><br>> >> --<br>> >> <br>> _____________________________________________________________________<br>> >> -- Bandwidth and Colocation Provided by<br>> <a href="http://www.api-digital.com" target="_blank">http://www.api-digital.com</a> --<br>> >> New
to Asterisk? Join us for a live introductory webinar<br>> every Thurs:<br>> >> <a href="http://www.asterisk.org/hello" target="_blank">http://www.asterisk.org/hello</a><br>> >><br>> >> asterisk-users mailing list<br>> >> To UNSUBSCRIBE or update options visit:<br>> >> <a href="http://lists.digium.com/mailman/listinfo/asterisk-users" target="_blank">http://lists.digium.com/mailman/listinfo/asterisk-users</a><br>> ><br>> > -----Inline Attachment Follows-----<br>> ><br>>
> --<br>> > <br>> _____________________________________________________________________<br>> > -- Bandwidth and Colocation Provided by<br>> <a href="http://www.api-digital.com" target="_blank">http://www.api-digital.com</a> --<br>> > New to Asterisk? Join us for a live introductory webinar<br>> every Thurs:<br>> > <a href="http://www.asterisk.org/hello" target="_blank">http://www.asterisk.org/hello</a><br>> ><br>> > asterisk-users mailing list<br>> > To
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