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What do these parameters specifically control?


catejust
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Hello!

 

I couldn't find any documentation for any of the following parameters found in pbx.xml and was curious exactly what they control / why they are there?

 

 

<trunk_reinvite>false</trunk_reinvite>

Trunk reinvite -- Is this whether trunks will accept reinvites?

 

<allow_pass_through>true</allow_pass_through>

Allow Passthrough -- I know that allowing passthrough just means that the PBX is proxying RTP.. Would disabling this force peer-to-peer invites to be sent out?

 

<save_registration>false</save_registration>

Save registration -- Will this remember a registration and prevent 410 Gone responses when an endpoint tries to re-register with the same sequence number?

 

<jitter_advance>true</jitter_advance>

Jitter advance -- Is this a jitter buffer? Can it be adjusted at all?

 

Thank You!

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<trunk_reinvite>false</trunk_reinvite>

Trunk reinvite -- Is this whether trunks will accept reinvites?

 

In the case of an attended transfer codecs might have to be re-negotiated. Usually the PBX does not send Re-INVITE on trunks (interop hassle with the thousand different SIP interpretations out there), this internal hidden flag may tell the PBX to do so and avoid transcoding.

 

<allow_pass_through>true</allow_pass_through>

Allow Passthrough -- I know that allowing passthrough just means that the PBX is proxying RTP.. Would disabling this force peer-to-peer invites to be sent out?

 

Another internal flag that hopefully is never needed. It disables media flow-though the PBX and instead forces always transcoding.

 

<save_registration>false</save_registration>

Save registration -- Will this remember a registration and prevent 410 Gone responses when an endpoint tries to re-register with the same sequence number?

 

This flag is more for debugging, so that we dont have to wait in the lab for re-regstration when restarting the PBX process. Works only on UDP, obviously.

 

<jitter_advance>true</jitter_advance>

Jitter advance -- Is this a jitter buffer? Can it be adjusted at all?

 

Thats obsolete.

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