From ea48d89dcd496a1897e2574f058a00a6b8fe2775 Mon Sep 17 00:00:00 2001 From: murf Date: Tue, 19 Jun 2007 17:07:28 +0000 Subject: These changes were submitted via bug 6683, to allow CID detection in India, with carriers that do Polarity/DTMF CID signalling. git-svn-id: http://svn.digium.com/svn/asterisk/trunk@70001 f38db490-d61c-443f-a65b-d21fe96a405b --- doc/India-CID.txt | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 doc/India-CID.txt (limited to 'doc/India-CID.txt') diff --git a/doc/India-CID.txt b/doc/India-CID.txt new file mode 100644 index 000000000..5961bb555 --- /dev/null +++ b/doc/India-CID.txt @@ -0,0 +1,75 @@ +India finds itself in a unique situation (hopefully). It has several +telephone line providers, and they are not all using the same CID +signalling; and the CID signalling is not like other countries. + +In order to help those in India quickly find to the CID signalling +system that their carrier uses (or range of them), and get the +configs right with a minimal amount of experimentation, this file +is provided. Not all carriers are covered, and not all mentioned +below are complete. Those with updates to this table should post +the new information on bug 6683 of the asterisk bug tracker. + + +--------------------------------------------------------- +Provider: Bharti (is this BSNL?) +Config: cidstart=polarity_in + cidsignalling=dtmf +Results: ? (this should work), but needs to be tested? +tested by: +-------------------------------------------------------- + +Provider: VSNL +Config: + +Results: ? +tested by: +-------------------------------------------------------- + +Provider: BSNL +Config: cid_start=ring + cid_signalling=dtmf + +Results: ? +tested by: (abhi) +-------------------------------------------------------- + +Provider: MTNL, old BSNL +Config: cidsignalling = v23 + cidstart=ring + +Results: works +tested by: (enterux) +-------------------------------------------------------- + +Provider: MTNL (Delhi) +Config: cidsignalling = v23 + cidstart = ring + +cidsignalling = dtmf +cidstart = polarity_IN + +cidsignalling = dtmf +cidstart = polarity + +Results: fails +tested by: brealer +-------------------------------------------------------- + +Provider: TATA +Config: cidsignalling = dtmf + cidstart=polarity_IN + +Results: works +tested by: brealer +--------------------------------------------------------- + +Asterisk still doesn't work with some of the CID scenarios in India. +If you are in India, and not able to make CID work with any of the +permutations of cidsignalling and cidstart, it could be that this +particular situation is not covered by Asterisk. A good course of +action would be to get in touch with the provider, and find out from +them exactly how their CID signalling works. Describe this to us, +and perhaps someone will be able to extend the code to cover their +signalling. + + -- cgit v1.2.3