FireBrick SIP Configuration: Difference between revisions
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=Overview= |
=Overview= |
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[[File:Pbvoipicon.png]] |
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The FireBrick can be used for VoIP by being a VoIP gateway (FBSIP). Your local (or remote) SIP devices register against the FireBrick, and the FireBrick registers to your SIP provider, in a sense the Firebrick acts as a back-to-back SIP gateway. |
The FireBrick can be used for VoIP by being a VoIP gateway (FBSIP). Your local (or remote) SIP devices register against the FireBrick, and the FireBrick registers to your SIP provider, in a sense the Firebrick acts as a back-to-back SIP gateway. |
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==SIP and NAT== |
==SIP and NAT== |
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First, a few comments about SIP, NAT and the FireBrick... |
First, a few comments about SIP, NAT and the FireBrick... |
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The FireBrick maps ports and IPs for NAT but provides no ALG for SIP or any other protocol. SIP is notoriously difficult with any sort of NAT, with or without ALGs. AAISP will be happy to route a block of IP addresses for use with VoIP phones, and the FireBrick can be configured to use these, and even allocate phones from the same manufacturer the correct IP by DHCP. |
The FireBrick maps ports and IPs for NAT but provides no ALG for SIP or any other protocol. SIP is notoriously difficult with any sort of NAT, with or without ALGs. AAISP will be happy to route a block of IP addresses for use with VoIP phones, and the FireBrick can be configured to use these, and even allocate phones from the same manufacturer the correct IP by DHCP. |
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xml: |
xml: |
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< |
<syntaxhighlight lang=xml> |
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<carrier name="AAISP" display-name="Main" allow="81.187.30.110-119" registrar="voiceless.aa.net.uk"username="01234567890" password="secret" extn="100" comment="Main Office Number"/> |
<carrier name="AAISP" display-name="Main" allow="81.187.30.110-119" registrar="voiceless.aa.net.uk"username="01234567890" password="secret" extn="100" comment="Main Office Number"/> |
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</syntaxhighlight> |
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</source> |
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If you go to Status - VoIP, you should see the Carrier listed with an expiry - this shows that the FireBrick is registered to the server. |
If you go to Status - VoIP, you should see the Carrier listed with an expiry - this shows that the FireBrick is registered to the server. |
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xml: |
xml: |
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< |
<syntaxhighlight lang=xml> |
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<telephone name="John" display-name="John" username="john" password="secret" allow="192.168.1.0/24" ddi="+441234567890" extn="101" carrier="AAISP" max-calls="1"/> |
<telephone name="John" display-name="John" username="john" password="secret" allow="192.168.1.0/24" ddi="+441234567890" extn="101" carrier="AAISP" max-calls="1"/> |
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</syntaxhighlight> |
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</source> |
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You can repeat this process for your other users, changing the extn each time, e.g. 102, 103 etc. |
You can repeat this process for your other users, changing the extn each time, e.g. 102, 103 etc. |
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xml: |
xml: |
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< |
<syntaxhighlight lang=xml> |
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<group name="Main" display-name="Main" extn="100" ddi="+441234567890" ring="101 102 103" type="all"/> |
<group name="Main" display-name="Main" extn="100" ddi="+441234567890" ring="101 102 103" type="all"/> |
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</syntaxhighlight> |
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</source> |
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==Firewall== |
==Firewall== |
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