Sip2sim Source IPs: Difference between revisions
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==Overview== |
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With SIP2SIM, we register the SIM to the customer's SIP PBX just like a normal VoIP phone would do. |
With SIP2SIM, we register the SIM to the customer's SIP PBX just like a normal VoIP phone would do. |
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However, unlike a normal VoIP phone we need to register and route calls to the customer PBX in a resilient way - that means we have multiple devices at our side that are used for SIP2SIM registrations and call routing. This follows the SIP specification, but some PBXs have problems. |
However, unlike a normal VoIP phone we need to register and route calls to the customer PBX in a resilient way - that means we have multiple devices at our side that are used for SIP2SIM registrations and call routing. This follows the SIP specification, but some PBXs have problems. |
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==IP Addresses== |
==IP Addresses== |
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We have reserved 10 IPv4 addresses for all of our VoIP control traffic. For our current platform "Voiceless" these are also used for the media (RTP) traffic. This makes firewalling simpler, etc. See the [[ |
We have reserved 10 IPv4 addresses for all of our VoIP control traffic. For our current platform "Voiceless" these are also used for the media (RTP) traffic. This makes firewalling simpler, etc. See the [[VoIP Firewall]] page for the details. |
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==Asterisk Specific== |
==Asterisk Specific== |
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Customers using asterisk will know that the config for these can be somewhat complex, listing 10 hostnames each for IPv4 and [[IPv6]] as the way asterisk works is to look up an IP for a hostname, pick the first, and check that against the request IP address. Asterisk really needs fixing. |
Customers using asterisk will know that the config for these can be somewhat complex, listing 10 hostnames each for IPv4 and [[IPv6]] as the way asterisk works is to look up an IP for a hostname, pick the first, and check that against the request IP address. Asterisk really needs fixing. |
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The "voiceless" call servers use two addresses per server for each of IPv4 and [[IPv6]]. These shall be: |
The "voiceless" call servers use two addresses per server for each of IPv4 and [[IPv6]]. These shall be: |
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81.187.30.111 |
81.187.30.111 |
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81.187.30.113 |
81.187.30.113 |
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2001:8b0:0:30 |
2001:8b0:0:30:5060::1 |
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2001:8b0:0:30 |
2001:8b0:0:30:5060::3 |
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(for the A server) |
(for the A server) |
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81.187.30.112 |
81.187.30.112 |
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81.187.30.114 |
81.187.30.114 |
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2001:8b0:0:30 |
2001:8b0:0:30:5060::2 |
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2001:8b0:0:30 |
2001:8b0:0:30:5060::4 |
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(for the B server) |
(for the B server) |
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