[Asterisk-Users] FGD Support

[Michael Baird]

Add me to the list, of needing this functionality (MF w/FGD). I'm
exactly in the same position as Jason.

Regards
Michael Baird

> Has Digium gotten back with you on the quote or if they can/will do it?
> 
> 
> Thank you,
> Jason Miller
> Eminent Network Technologies Inc.
> d/b/a Interlinc.net
> Phone:  417.239.1399 ext. 107
> jwm at interlinc.net
> 
> 
> > From: James Taylor <jltaylor at metrotel.net>
> > Reply-To: Asterisk Users Mailing List - Non-Commercial Discussion
> > <asterisk-users at lists.digium.com>
> > Date: Mon, 04 Apr 2005 11:42:46 -0500
> > To: <asterisk-users at lists.digium.com>
> > Subject: [Asterisk-Users] FGD Support
> > 
> > For those of you who want to look like a "real" phone company, and plan on
> > connecting to the LEC so that you look like a long distance carrier
> > instead of a customer, there are some mods to the ZAP channel which must
> > be made.
> > 
> > When you order Feature Group D as a "customer" Asterisk works fine right
> > now.
> > 
> > If you order Feature Group D and want to provide service as a IC or IXC
> > (long distance carrier) and provide Equal Access, you must "look" like an
> > Equal Access End Office (EAEO).  To do this, there is an additional packet
> > that must be exchanged and acknowledged in the dialing sequence.
> > 
> > I have submitted a request to Digium for a quote on this modification.
> > 
> > Jason Miller at interlinc.net has added his spport to this project,
> > because he needs it working yesterday.
> > 
> > If you have an interest and would like to assist in getting this
> > modification off the ground and completed quickly, then you might want to
> > contribute financially.
> > 
> > If you have an interest and can't contribute, we'd still like to hear from
> > you and know that this feature might help you.
> > 
> > Contact me off list if you can help.
> > 
> > James Taylor
> > MetroTel
> > 3505 Summerihll Road
> > Suite 11
> > Texarkana, Texas  75503
> > 903-793-1956
> > 
> > Below is a copy of my email to Digium:
> > 
> > This is a requst to modify the Zap channel to provide additional FGD
> > support.
> > 
> > Please let me know what the charges will be, so we can get approval and
> > get started.
> > 
> > As more and more Asterisk boxes connect to the PSTN, there is a need to
> > look like an IXC or CLEC.
> > Short of SS7, MF signaling with FGD is the next best thing.
> > 
> > I'm woking with Jason Miller, who has sent in other support requests on
> > getting FGD to work.
> > 
> > I've examined the source code and it appears that FGD works fine if you
> > connect to a long distance carrier.
> > 
> > But, if you "are" the long distance carrier and connect via the LEC's
> > Access Tandem, there's another packet that must be exchanged.  We've tried
> > putting it in the dial command and can't get the timing to work since
> > there are additonal winks.
> > 
> > Asterisk really looks like an Equal Access End Office at this point.
> > 
> > The exchange below illustrates overlap dialing, which is not generally
> > going to happen with Asterisk.
> > Asterisk will have all customer digits and just fake the overlap.
> > 
> > Here's what takes place:
> > 
> > Customer -->  Asterisk -->  Access Tandem (LEC) --> IC (long distance
> > carrier)
> > 
> > Origionating Sequence
> > 
> > Customer dials (10xxxx)+(0/1)+(NPA)+NXX
> > Asterisk    Access Tandem  IC
> > 
> > 1. Seize ->
> > 2. <-Wink
> > 3. KP+OZZ+XXX+ST->
> > 4.      Seize ->
> > 5.      <- Wink
> > 6. <-Wink
> > 7. KP+II+ANI+ST or KP -ST ->
> > After customer completed dialing XXXX
> > 8. KP+(0)+7/10D+ST ->
> > 9.      <-Wink
> > 10. <-Wink
> > 11.      <-Answer Supervision
> > 12. <-Answer Supervision
> > 
> > 
> > Terminating Sequence
> > 
> > IC     Access Tandem  Asterisk
> > 
> > 
> > 1. Seize ->
> > 2. <-Wink
> > 3. KP+7 or 10D+ST ->
> > 4.      Seize ->
> > 5.      <-Wink
> > 6.         Ringing->
> > 7.         <-Answer
> > 8.     <-Answer Supervision
> > 9. <-Answer Supervision
> > 
> > 
> > Complete specs are in SR-TSV-002275.
> > 
> > 
> > 
> > 
> > 
> > 
> > -- 
> > James Taylor
> > MetroTel
> > 3505 Summerihll Road
> > Suite 11
> > Texarkana, Texas  75503
> > 903-793-1956
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