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James,
jltaylor escreveu: | Since you are referring to R2 signaling, it works like this:
I'm referring to ISDN PRI channels not R2.
| | The E1 R2 Call Blocking feature provides two ways to block incoming collect | calls-category-based and double answer. With category-based call blocking, | collect calls will be blocked based on a specific category. For example, in | Brazil, collect calls arrive with a category II-8, for which the gateway | should send B-7 as a response instead of an answer signal. This approach is | only applicable when switches in the central office support category-based | blocking. | | For legacy switches that do not support category-based blocking, the double | answer method is implemented to support the collect-call blocking. For an | incoming collect call, the gateway will answer the call with a clearback | after one second and re-answer the call after two seconds, causing the | collect call to be dropped and normal calls to stay connected.
Can you give me an example using this method with Asterisk?
| | This is what the referenced patches are attempting to do.
Referenced Patches? What do you mean? Does someone is working with patches to implement this feature in Asterisk?
| | This does not work in the U.S. or if you have SS7, you don't need it.
Thanks for your answer.
| | James | | -----Original Message----- | From: [EMAIL PROTECTED] | [mailto:[EMAIL PROTECTED] Behalf Of Michael D | Schelin | Sent: Tuesday, May 03, 2005 6:06 PM | To: Asterisk Users Mailing List - Non-Commercial Discussion | Subject: Re: [Asterisk-Users] Collect calls | | | You Bring up a great point. I understand these codes and my system | brings them in via ss7 but as youself I don't know how to protect my | network from these charges. I will follow this post to see if anybody | has a fix. | | | Rodrigo P. Telles wrote: | | | Hi Folks, | | Does someone knows how to identify and block collect calls on Asterisk | using PRI | channels? | I googled it and found this: | http://lists.digium.com/pipermail/asterisk-dev/2004-November/007500.html | I don't know what does it mean!!! | Can someone help me to understand this? | | I tried to apply that way too, using Flash() but Flash() complains and | looks | like just work with FXO channels: | http://lists.digium.com/pipermail/asterisk-users/2004-October/066360.html | | Thanks in advance. | | -- | ============================================ | Rodrigo P. Telles <[EMAIL PROTECTED]> | IVOZ # 1009 | TI Manager | Devel-IT - http://www.devel.it | Bestcom Group | ============================================ _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: ~ http://lists.digium.com/mailman/listinfo/asterisk-users
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- -- ============================================ Rodrigo P. Telles <[EMAIL PROTECTED]> IVOZ # 1009 TI Manager Devel-IT - http://www.devel.it Bestcom Group ============================================ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux)
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