A Case Study of Installing 48 E1 with Elastix
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Transcript of A Case Study of Installing 48 E1 with Elastix
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A Case Study of Installing 48 E1 with Elastix
Belief Mo www.openvox.cn
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Agenda
l The Background l The Past l The Present
l A Successful Case Study l The Challenges l The Solutions l The Results
l The Future
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The Background
l The Past l A brief history
l Asterisk in 2002 l OpenVox in 2002 l trixbox CE in 2006 l FreeIris (Asterisk-based) in 2007 l AsterCC (Asterisk-based) in 2007 l FreeSWITCH in 2008 l Elastix (Chinese Version) in 2010
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l The Present l Asterisk
l Asterisk Community l Elastix Community (Largest) l trixbox Community l Other asterisk-based software communities
l FreeSWITCH l FreeSWITCH-CN Google/QQ Group �
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l The Percentage of Users (by VoIP88.com)
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l Elastix l From Zero to Hero l The Key to No.1
l Chinese GUI l Chinese Tech Docs l Local Manufacturer Support l Marketing Campaigns
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Agenda
l The Background l The Past l The Present
l A Successful Case Study l The Challenges l The Solutions l The Results
l The Future
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A Successful Case Study�
l Implementing 32 E1 Ports in a Single System �
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A Bigger One
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l Installing 48 E1 in a Single Elastix System�
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l The Challenges l High Density Concurrent Calls l Asterisk/Elastix is also a Limit
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l The Solutions l OpenVox D430 (4 Port E1, Advanced Version)
l Adjustable Interrupt Routing Design l Interrupts Frequency Adjustment l FPGA Design, Upgradeable Firmware Onsite
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l V1.5 Latest Firmware l APU (embedded application specific processor unit)�l IRQ Agent
l Elastix
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Step 1
l Hardware Configuration�l D430E * 12pcs
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l MB: Intel DBS2600CP2 ( 2 CPUs Supported)
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l Ram: 8GB l CPU: Intel Xeon E5-2640 @2.5GHz�
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l OpenVox PCIe Slot Expansion Board(4 PCIe per board)�
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l The Connection
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l Hardware Configuration l 6 D430 set as NET l 6 D430 set as CPE
l Winsip calls NET->E1->CPE->answer and play audio.�
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Step 2 �
l Software Configuration l lspci (recognize D430, must be V1.5 to support 12
cards to work together.)
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l ulimit -n (asterisk supports max 1024 files by default, 12 cards will need 12288 files.)
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l load driver, 1488 channels (31*4*12=1488) l cat/proc/interrupts {only one(#26) IRQ # is
registered by one wct4xxp; it’ll be 12 before IRQ agent}
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l asterisk -r l pri show spans (48 spans are up)
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The Elastix GUI
l The System Info
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Hardware Detector
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l Winsip call test (about 3 hours)
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l top (CPU load: 452.4%)
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l The Results l 70%-580% CPU loads l The System is very stable. l Great Voice Quality l The Largest Density Installation that We’ve done
with Elastix
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Agenda
l The Background l The Past l The Present
l A Successful Case Study l The Challenges l The Solutions l The Results
l The Future
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The Future �
l The Challenge - Are we ready for this fast-growing market? l OpenVox
l 8/16 port E1 products l Hot-plug VoIP gateway
l Elastix�
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l Questions?
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l Thank you!