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I have a customer installation with an Adtran DS3 mux. The DS1's go into my Asterisk servers that run IVR/Call recorders. The DS3 provider is Qwest, and they tell me that they routinely drop the DS3 service to redundant back-up's and that this is a common practice that happens thousands of times to DS3 lines daily across the US without any service interruptions. They say that the

Hello Everyone, We are looking to interconnect with a local ILEC over an OC-n transport layer. They basically gave us two options in terms of mapping the SONET to the DS3: * VT1.5s mapping * DS1s mapping The second option is quite clear. We would MUX the connection, and plug the lines into qaud t1 cads etc... The tech mentioned that with the second option we would also need a DACS to convert

If you are interested *and* live in the SF Bay area, please send your resume to samir.jain@us.fujitsu.com (not to me). Thanks! ---------------------------------------------------------------- Fujitsu Network Communications Inc. is an innovator and strategic partner with over 20 years of experience as a leading provider of wireline and wireless networking solutions that solve critical business

Just received my copy of this book today. Based on a cursory examination, "VoIP Telephony with Asterisk" (VTwA) by Paul Mahler looks like a very decent book for anyone starting out with Asterisk. More knowledgeable readers may also benefit from perusing its 290 pages as well. Unlike "Asterisk for Small Office Setup" (which I slammed in a review a couple of weeks ago) VTwA has

Hi Everyone - Here is a draft of the first of two "pages" that I will submit to Wikipedia. The first page is a general network virtualization page. From this page, I will contribute a subpage on the Crossbow projects. These two articles are the first of a number of online articles on Crossbow that I''ll be creating on behalf of the Crossbow iteam. The article uses

...VkMGFhMjllMzU4YmNmNjQwN2NlM2Y.' Method: SUBSCRIBE -- Executing [00919885497796 at internal:1] Set("SIP/1001-0000000b", "CALLERID(num)=8790771141") in new stack -- Executing [00919885497796 at internal:2] Dial("SIP/1001-0000000b", "SIP/00919885497796 at sonetel") in new stack Really destroying SIP dialog ' 018143ec6cda0ebf5667665837f49196 at 127.0.0.1:5060' Method: INVITE [Mar 14 19:55:15] WARNING[20595][C-0000000b]: app_dial.c:2437 dial_exec_full: Unable to create channel of type 'SIP' (cause 20 - Subscriber absent) == Everyone is...

One of our STEM interns recently observed that there are inexpensive clocks that sync via radio to standard time services.? This begged a question about why every computer would not have a radio module to receive time.? Our senior staff did not have a good answer or if time from such a radio module would be supported by the operating system. When I was a student, such questions would have earned

A new version of the iproute2 utilities is available to handle the new extensions for 2.6.7. * Based on the last known good version of iproute2 from Alexy * Included most of the vendor patches (except for the stupid ones). * Got rid of lots of the glibc workarounds, I intend this to build and run on 2.6 (and 2.4) only. * Fixed some parsing and formatting bugs. * Added gigabit as a rate.

Hello all/Timo, Up until now, my main Clients office has consisted of a single location, and I have never had to deal with the situation of multiple locations for a single company. They have just told me that they are acquiring an additional floor at a building that is about 4 minutes away - but obviously far enough away that I now have to deal with supporting users in the same domain but at

Hello, hope this isn't too far offtopic here but being a troller for a long time here I've realized there is a great knowledge base so I wanted to at least see if i could get some tips. I help run a small colocation company in California and I am in the middle of recommending a new 'core router' platform for our network. We offer mainly colo and dedicated servers, and several of

I have officially engaged in a pissing contest with the local Telco over PRI calling name delivery. The telco publishes their calling name delivery over PRI feature as being bellcore gr-1367-core compliant. The gr-1367-core spec states that the calling name is to be included as a facility IE in the setup message, or sent in a subsequent facility IE message with an indicator in the setup message

Seeing as IPV4 is near it's end of life (http://www.internetnews.com/infra/article.php/3915471/IPv4+Nearing+Final+Days.htm), I'm curios as who know whether everyone is ready for the changeover to IPV6? Is anyone using it in production already, and what are your experiences with it? -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog:

Hello Sorry for the (I guess) simple question, but: I have 7 computers under one 8-port router (D-Link DIR-100, firmware v1.13EU) in my network (actually in a sub-network) and they do not see each other's host names. The router has the 'DNS relay' option enabled, and all 7 computers use the router as the DNS server, which in turn will forward DNS requests to the ISP DNS server.

Any know what Digium hasn't released the DS3 card? It was supposed to be out a while ago. -Matt