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Transcript of freepbx_on_pi_20141030
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FreePBX / Asterisk on Raspberry PIBCS Northamptonshire BranchDate: 30 th October 2014
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VOIP Technology
o Advantages of VOIP systems consumer andbusiness
o VOIP Services
o VOIP trunks
o VOIP telephones
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VOIP Technology
o Functional integration of services
o Physical decentralisation of services
o Enhancement of services
o Open source
VOIP Advantages
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VOIP Technology
o Telephony / FAX - G722, G711, G729
o Videophone - H323
o Video Conferencing
o Cloud PBX
o IVR recording/automation
o Surveillance
VOIP Services
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VOIP Technology
o Designed for use by Cisco Call Manager (now CUCM)
o Proprietary but has some support within asterisk
o Only used for telephone/videophone devices
o Useful for exploiting features on Cisco phones
VOIP TrunksSCCP
Skinny Call Control Protocol
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VOIP Technology
o Significant industry investment well standardised
o Multimedia
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Not an optimal design for networkingo The dominant VOIP networking and switching protocol
o Security issues - many ports requires session bordercontroller
o Difficulties traversing NAT requires session border controller
o Poor layer 2/3 separation difficulties on errored call clear-down.
VOIP TrunksSIP
Session Initiation Protocol
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Raspberry PI Build and Configuration
FreePBX / Asterisk on Raspberry PI
Membership Secretarys Report
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Raspberry PI Build and Configuration
o Complete image for 4GB SD card available
o Instructions on -http://pbxbook.com/voip/raspbxmac.html
o Standard PI - no special additions or modifications
o Cisco phones available on Ebay 7911, 7941, 7961,7971
o Phones powered via injectors or POE switch IEE 803.af
o PSTN line connected via analogue to SIP adapter
SD card build and hardware
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Raspberry PI Build and Configuration
o Configured by FreePBX web interface or low level Asteriskfiles.
o Trunk configurations SIP / IAX2
o Extensions setup using Asterisk files requires TFTP andDHCP.
o Major part of configuration is the dialling plan
o Phones powered via injectors or POE switch IEE 803.af
o Other services possible - DISA, IVR, Conferencing etc.
Configuration
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FreePBX Demonstration
FreePBX / Asterisk on Raspberry PI
Membership Secretarys Report
