On 2/2/14, 9:42 AM, Markus Reschke wrote:
Hi!
My telco is Deutsche Telekom and they got about 30 SIP servers right
now. Currently I've set up a template for incoming calls in sip.conf
and added each SIP server by it's IP address like this:
[DTAG-in-1](DTAG-in-template)
host=217.0.16.103
...
[DTAG-in-30](DTAG-in-template)
host=217.0.20.99
I've done that to improve security and to be able to assign all calls
coming in via Deutsche Telekom to a dedicated dialplan context.
Unfortunately this approach is not scalable and it's a PITA to
maintain a list of server IP addresses since Deutsche Telekom will get
more SIP servers in the future. They've started to migrate the classic
POTS/ISDN network to VoIP, the goal is get it done by 2016. Customers
with DSL get VoIP directly, i.e. they need SIP phones or a SIP PBX,
and customers with a phone line only are converted by the MSAN. And
they don't provide an official list of the SIP servers :-( By some
reverse engineering I found out that all SIP servers are within a
specific subnet. Is there any way to match peers by subnet(s) instead
of FQDNs or single IP addresses? If not, it would be a feature really
needed to be able to cope with telcos running multiple or tons of SIP
servers.
I agree this would be a great feature to have. We have Voxbone DIDs,
and keeping track of 60+ SIP Addresses they have is a PITA.
cu, Markus
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Technical Support
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