[asterisk-dev] [Code Review] ETSI Call Waiting (libpri component)

rmudgett at digium.com rmudgett at digium.com
Wed Mar 17 15:20:29 CDT 2010


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This is an automatically generated e-mail. To reply, visit:
https://reviewboard.asterisk.org/r/569/
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Review request for Asterisk Developers.


Summary
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Add the ability to announce a call to an endpoint when there are no B channels available.
A call waiting call is a SETUP message with no B channel selected.

Relevant specification: EN 300 056, EN 300 057, EN 300 058

This is based off of the team/rmudgett/aoc_event branch to get the accumulated features so far.


The Asterisk portion of this review is located in review:
https://reviewboard.asterisk.org/r/568/


Diffs
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  /team/rmudgett/aoc_event/libpri.h 1543 
  /team/rmudgett/aoc_event/pri.c 1543 
  /team/rmudgett/aoc_event/pri_internal.h 1543 
  /team/rmudgett/aoc_event/pri_q931.h 1543 
  /team/rmudgett/aoc_event/q931.c 1543 

Diff: https://reviewboard.asterisk.org/r/569/diff


Testing
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Party A ---> * ---> * ---> Party B

The link under test is between the two asterisk boxes.

1) Normal calls still work.
A calls B (Link under test is not congested.)
B answers
Call connects

2) Link congested and no B channel is released to take the call.
A calls B (Link under test is congested.  SETUP indicates no B channel.)
B answers
Call is immediately disconnected when B answers because there are no B channels.

3) Link congested and a B channel is released to take the call.
A calls B (Link under test is congested.  SETUP indicates no B channel.)
B channel is released on the link under test.
B answers
Call connects


Thanks,

rmudgett




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