<html><div style='background-color:'><P><BR><BR>hi,</P> <P>thanx for the response. I just tried to work on R2 CAS but i found that the libr2 has not been implemented well and tested. I think in addition to E&M, R2 can also be used in a pbx to pbx E1 link. what do tou suggest Sam ??</P> <P>About the R2 implementation for asterisk i have seen in the list that steve has implemented 95% of that...but we dont see any release of that. any current info on R2 development??</P> <P>and Sam you are right i don't have the CAS table of the other switch. But i think i can get one. </P> <P>help me out in this. I have to make a E1 pbx to pbx connection using CAS.</P> <P>thanks in advance</P> <P>janjua</P> <P> </P> <P><BR> </P> <DIV> </DIV></div><br clear=all><hr>Help STOP spam with <a href="http://g.msn.com/8HMAEN/2731??PS=">the new MSN 8 </a> and get 2 months FREE*</html>
Samuel Jimenez
2004-Jan-22 13:45 UTC
[Asterisk-Users] R2 or E&M for E1 CAS pbx to pbx link
Hi,
So, u are using a new thread... it is better if you do not change the message
subject so we can trace u properly.
Before dealing with R2 signaling which is register_signaling, you need to deal
with CAS or ABCD signaling which is line_signaling and be able to establish (and
drop) calls correctly. Once this is done, R2 signaling can take place ---if
fully available in *, and R2 tones will be able to travel between switches thru
the established voice channel before callers be allowed to talk.
So, again... you need de CAS table of the far_end switch or pbx. Get it and
attach it to your post.
Also, if u thing u will not able to negotiate with your far en party, ask
him/her in advance what signaling and start arrangement should you use. Should
tell you something like 4wire E&M, IMMediate. This info is also crucial.
Regards
Sam\\\
----- Original Message -----
From: M.A. Ali
To: asterisk-users@lists.digium.com
Sent: Thursday, January 22, 2004 5:01 AM
Subject: [Asterisk-Users] R2 or E&M for E1 CAS pbx to pbx link
hi,
thanx for the response. I just tried to work on R2 CAS but i found that the
libr2 has not been implemented well and tested. I think in addition to E&M,
R2 can also be used in a pbx to pbx E1 link. what do tou suggest Sam ??
About the R2 implementation for asterisk i have seen in the list that steve
has implemented 95% of that...but we dont see any release of that. any current
info on R2 development??
and Sam you are right i don't have the CAS table of the other switch.
But i think i can get one.
help me out in this. I have to make a E1 pbx to pbx connection using CAS.
thanks in advance
janjua
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<html><div style='background-color:'><P>hi,</P> <P>As i understand (correct me if i am wrong) R2 signalling consists of 2 parts: Line Signalling (supervisory signalling) and the InterRegister Signalling (call control signalling).</P> <P>Now i am testing this in a lab with an Analyzer. The Idle CAS ABCD bits are 1000. The latest problem that i see is that asterisk drops the call after seize acknowledge, where it should answer. I am still looking at it. Has anyone tested the libr2 and found such problems.</P> <P>The CAS table... I have demanded one but till the time i get it I am experimenting with the analyzer.</P> <P>I wanted the developer of libr2, Steve Underwood to comment on this. its his code he knows best. Please comment</P> <P>sincerly,</P> <P>Janjua </P> <P> </P></div><br clear=all><hr>Add photos to your messages with <a href="http://g.msn.com/8HMAEN/2749??PS=">MSN 8. </a> Get 2 months FREE*.</html>
Steve Underwood
2004-Jan-23 03:57 UTC
[Asterisk-Users] R2 or E&M for E1 CAS pbx to pbx link
M.A. Ali wrote:> hi, > > As i understand (correct me if i am wrong) R2 signalling consists of 2 > parts: Line Signalling (supervisory signalling) and the InterRegister > Signalling (call control signalling). > > Now i am testing this in a lab with an Analyzer. The Idle CAS ABCD > bits are 1000. The latest problem that i see is that asterisk drops > the call after seize acknowledge, where it should answer. I am still > looking at it. Has anyone tested the libr2 and found such problems. > > The CAS table... I have demanded one but till the time i get it I am > experimenting with the analyzer. > > I wanted the developer of libr2, Steve Underwood to comment on > this. its his code he knows best. Please comment >I keep commenting, and nobody seems to listen. libr2 is a half implemented useless piece of rubbish. The real working R2 is not available from me just yet. Regards, Steve