On Thu, Apr 02, 2015 at 11:33:38PM +0200, Daniel Heckl wrote:
> I do not want set allowguest=yes. The problem is, there is no official
> list with ip addresses of Telekom Germany. But I think all ip
> addresses comes from the ip range 217.0.0.0/13.
Hello Daniel,
Judging by the lists I found I think it's more like this subnet:
217.0.16.0/255.255.248.0
> I have now the following addition to sip.conf. I think it is the only
> safe option. Or what would you say?
>
> [telekom](!)
<snip>
> [DTAG-IP_IN18_016](telekom)
> host=217.0.18.16
>
> [DTAG-IP_IN18_036](telekom)
> host=217.0.18.36
>
> etc.
This configuration is now running here:
[general]
context=unauthenticated
allowguest=no
srvlookup=no
udpbindaddr=0.0.0.0
tcpenable=no
localnet=172.16.28.0/24
alwaysauthreject=yes
directmedia=no
sdpsession=MyNewSessionString
useragent=MyNewUserAgent
language=de
tonezone=de
defaultexpiry=480
register => 0NUMBER2:PASS:u...@t-online.de@tel.t-online.de/NUMBER2
register => 0NUMBER3:PASS:u...@t-online.de@tel.t-online.de/NUMBER3
register => 0NUMBER4:PASS:u...@t-online.de@tel.t-online.de/NUMBER4
[my-codecs](!)
allow=!all,alaw
[home-phone](!,my-codecs)
acl=voice_vlan
type=friend
host=dynamic
context=LocalSets
[XXXXXXXXXXX](home-phone)
secret=XXXXXXXXXXXXX
[dtag_inbound](my-codecs)
acl=acl_dtag_inbound
type=peer
context=from_dtag
host=tel.t-online.de
[dtag_outbound](my-codecs)
acl=acl_dtag_outbound
type=peer
defaultuser=u...@t-online.de
remotesecret=PASS
host=tel.t-online.de
fromdomain=tel.t-online.de
The thing is, the provider's SIP server hasn't changed the IP yet. This
morning it's still the same as yesterday. And yesterday it was the same
the whole day.
Don't know why I didn't run into the "load balancer" issue (yet). I'm
starting to think it's because I'm "hiding" that I'm using Asterisk
(sdpsession, useragent, also custom systemname in asterisk.conf). But
probably that's not the reason. Anyway, I'm just going to wait until it
doesn't work and then worry about it.
Regards,
Sebastian
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