26 Apr
2020
26 Apr
'20
4:07 a.m.
### Description
According Kamailio rtpengine module supported auto-bridge flag. I added this flag in
Kamailio config and get rtpengine warning
```
Unknown flag encountered: 'auto-bridge'
```
Then I make search in rtpengine commit history and cannot and commits with auto-bridge
string.
Think need remove `'auto-bridge` flag from Kamailio rtpengine module.
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27 Apr
27 Apr
4:18 a.m.
The flag is not documented at https://github.com/sipwise/rtpengine either.
Maybe the kamailio docs are outdated. The commit that introduced this parameter is
7c1b8e768d from 2014.
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4:55 a.m.
The docs state clearly:
"auto-bridge - this flag an alternative to the “internal” and “external” flags in
order to do automatic bridging between IPv4 on the "internal network" and IPv6
on the "external network". Instead of explicitly instructing the RTP proxy to
select a particular address family, the distinction is done by the given IP in the SDP
body by the RTP proxy itself. **Not supported by Sipwise rtpengine**."
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4:58 a.m.
I've added the "auto-bridge" feature some years (!!) ago and when the
RTPEngine protocol was updated, this feature was not added as well (and by now, I would
also remove it). Likely, we should simply update the docs.
https://www.kamailio.org/docs/modules/devel/modules/rtpengine.html#rtpengin…
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7:25 a.m.
As mentioned in rtpengine module doc
RFC6157 which suggest ICE for Dual-Stack
implementations
So, think we can use `ICE` instead of `auto-bridge`
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7:49 a.m.
ICE requires client side support. And the ipv4-to-ipv6 bridge has anyhow the purpose to
cover the cases when one device is on ipv4-only and the other in ipv6-only, so they cannot
communicate directly anyhow, not matter they would support the other ipvX version.
As @ngvoice mentioned, should be removed, being inherited from rtpproxy module and not
something available in rtpengine.
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8:21 a.m.
done
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8:21 a.m.
Closed #2301.
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1589
days inactive
1590
days old
7 comments
4 participants
participants (4)
-
Daniel-Constantin Mierla -
Henning Westerholt
-
ng-voice GmbH
-
sergey-safarov