Hello Jacob, hello all,
Jacob Tinning wrote:
We didn't like the timer-solution because we think its wrong to delay all calls
X seconds just because the SS7-asterisk doesn't know another Asterisk's
dialplan.
Thats why I made it configurable, so that it can be turned off, when not
needed. ;)
My suggestions is
1. Use identical dialplans on the SS7-gateway and the SIP server
2. Store the dialplan in a shared database.
3. I think it is (maybe) posible to 'share' the dialplan through IAX (anybody
?)
Your suggestions are reasonable if you know the dialplan. In my case it
can be possible that I will forward a number block to a customer. I have
not (and will not have) any knowledge of the length of the numbers the
customer uses, I only know the base of the block, neither does the
customer have to use an asterisk as termination.
Example:
I have a block +49-241-9909888 [0-99999]. I forward this block to a
customer. This customer can add one to five digits to this block
depending on his needs and I will never have knowledge of how many
digits he uses.
As you see, if you want use chan_ss7 as a multi-customer SS7-to-SIP
gateway with a national numbering plan without fixed length numbers (as
in the US) there is no way around a timer. It's sad but true. ;)
And last but not least, I also had the problem that no ringback tones
were generated by asterisk. The following two lines in the dialplan
inserted before the Dial statement do the trick:
exten => _X.,n,SetLanguage(de)
exten => _X.,n,Playtones(ring)
We actually tried this, but we had to insert a ,1,Answer before the Playtones
command.
...but the Answer before Playtones, breaks most telcos billing system,
since a call is 'from the Answer to a hangup'.
It works here without the answer as there is early-Media after receiving
an IAM. This works also with MOH instead of the ringback beeps, what can
be quite funny.
Best regards,
Kai
--
Kai Militzer WESTEND GmbH | Internet-Business-Provider
Technik CISCO Systems Partner - Authorized Reseller
Lütticher Straße 10 Tel 0241/701333-14
[EMAIL PROTECTED] D-52064 Aachen Fax 0241/911879
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