[asterisk-users] Combining multiple SIP providers

[Anita Hall]

Hi

What is the best way to combine multiple SIP providers to achieve

1) Higher concurrency (for eg. 2 providers with 50 concurrent calling
limits could be combined to give a limit of 100)
2) Redundancy (use another if one is down)

I have a feeling that this will need some SIP Proxy like OpenSIPS but what
could be the architecture ?

Much thanks!

regards,
Anita
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