[SIPForum-discussion] SIP Call Waiting Messages and Call Charges

HM Kias hmkias at gmail.com
Thu Oct 6 05:32:54 UTC 2011

Read the below post.
ISDN incoming call - inband info and announcements BEFORE
ANSWER*Question:*Is there a way to force Asterisk to send DSS1
PROGRESS message to PSTN with
indicator: "Inband information now available", before call is established
(even before ALERTING phase)? I also think that this indicator can be
contained in CALL PROCEEDING message.

My idea is to play not billed welcome message on Asterisk system. Just now
there is incoming SETUP, Asterisk replies with CALL PROCEEDING (without
indicator I presume - but I can think only from Asterisk trace, no ISDN
tester available at the moment). In ideal case there should be send PROGRESS
or CALL PROCEEDING message with that indicator.

How to setup this (for PRI and junghanns.net BRI)?

*Answer:* Use the Progress() application in your dialplan before you
Answer() the line. Use the Background() application with the 'n' flag or the
Playback() application with the 'noanswer' flag to play your announcement
(so the line is not Answer()'d automatically for you).

On Wed, Oct 5, 2011 at 3:14 PM, Stewart Hayles <shayles at neci.co.uk> wrote:

>  Hello all,****
> ** **
> I have a question I hope someone out there may be able to help me with
> understanding a bit more clearly.****
> ** **
> In Germany a new law is coming into effect where if a caller is held
> waiting on a line and listening to a queue message they are not charged for
> that portion of the call until a user actually picks up to speak with them.
> ****
> ** **
> I wondered how this would be implemented with regards to SIP carriers.
> Would the call be initially setup using early media to play the message?  Is
> there any fields/messages used for charging information between the network
> and PBX?****
> ** **
> I hope someone may have an understanding of what I am describing, would
> appreciate any details you may have on this if you have been involved in
> similar situation.****
> ** **
> BR,****
> ** **
> Stewart****
> ** **
> ** **
>  <http://www.neci.co.uk>  <http://www.neci.co.uk>
> ------------------------------
> Disclaimer - This email and any files transmitted with it are confidential
> and intended solely for the use of the individual or entity to whom they are
> addressed. If you have received this email in error please notify
> postmaster at neci.co.uk. Any views or opinions presented in this email are
> solely those of the author and might not represent those of NEC Infrontia
> Ltd. NEC Infrontia Ltd monitor's email traffic data and also the content of
> email for the purposes of security. NEC Infrontia Ltd have also taken
> reasonable precautions to ensure no viruses are present in this email, the
> company cannot accept responsibility for any loss or damage arising from the
> use of this email or attachments. NEC Infrontia Ltd. Registered in England:
> 3107691. Registered Office: Lyndhurst, 1 Cranmer Street, Long Eaton,
> Nottingham, NG10 1NJ. NEC Infrontia Ltd is a wholly owned subsidiary of NEC
> Nederland BV.
> NEC Infrontia Ltd monitor's all telephone calls to and from the company for
> training and quality purposes.
> _______________________________________________
> This is the SIP Forum discussion mailing list
> TO UNSUBSCRIBE, or edit your delivery options, please visit
> http://sipforum.org/mailman/listinfo/discussion
> Post to the list at discussion at sipforum.org

HM Kias
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://sipforum.org/pipermail/discussion/attachments/20111006/def15c7d/attachment-0002.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: imageed2c5b.JPG
Type: image/jpeg
Size: 90503 bytes
Desc: not available
URL: <http://sipforum.org/pipermail/discussion/attachments/20111006/def15c7d/attachment-0002.jpe>

More information about the discussion mailing list