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2006-11-24 11:51:33: @bennylpcreated the issue on trac ticket 5
SIP UPDATE is specified in RFC 3311 for updating session parameters without affecting dialog's state.
Also to be fixed in this development is the offer/answer negotiation in pjsip's invite session, since with the support for UPDATE (and PRACK) there are more offer and answer scenarios to support.
2007-10-03 19:24:55: @bennylpchanged priority from minor to normal
2007-10-03 19:24:55: @bennylpchanged milestone from unassigned to release-0.7.1
2007-10-03 19:24:55: @bennylpedited the issue description
2007-10-03 19:24:55: @bennylpchanged title from Support for SIP UPDATE (RFC 3311) to Support for SIP UPDATE (RFC 3311) and fix the offer/answer negotiation
2007-10-03 19:31:57: @bennylpchanged status from new to closed
2007-10-03 19:31:57: @bennylpset resolution to fixed
UPDATE is now supported! Use pjsip_inv_update() to send UPDATE with offer.
PRACK implementation has been heavily modified since it is strictly coupled with the invite session's offer and answer session.
Because of above, PRACK support cannot be made optional anymore. The PJSIP_HAS_100REL configuration has been removed.
Fixed the offer/answer negotiation to support all scenarios (see below)
Added test module in test_pjsip application to test various offer/answer scenarios
Changed dialog to send Allow header in 1xx response, so that UAC can detect support for UPDATE
Minor fix in sip_transaction.c to make the pool's obj_name equal to the transaction's obj_name.
Supported offer and answer scenarios:
The usual INVITE with offer
INVITE with no offer will cause UAS to send offer in 18x or 2xx response. When 100rel is used, answer will be provided in PRACK, otherwise answer will be provided in ACK.
Sending and receiveing UPDATE containing new offer.
2006-11-24 11:51:33: @bennylp created the issue on trac ticket 5
SIP UPDATE is specified in RFC 3311 for updating session parameters without affecting dialog's state.
Also to be fixed in this development is the offer/answer negotiation in pjsip's invite session, since with the support for UPDATE (and PRACK) there are more offer and answer scenarios to support.
2007-10-03 19:24:55: @bennylp changed priority from minor to normal
2007-10-03 19:24:55: @bennylp changed milestone from unassigned to release-0.7.1
2007-10-03 19:24:55: @bennylp edited the issue description
2007-10-03 19:24:55: @bennylp changed title from Support for SIP UPDATE (RFC 3311) to Support for SIP UPDATE (RFC 3311) and fix the offer/answer negotiation
2007-10-03 19:31:57: @bennylp changed status from new to closed
2007-10-03 19:31:57: @bennylp set resolution to fixed
2007-10-03 19:31:57: @bennylp commented
Implemented in r1469:
pjsip_inv_update()
to send UPDATE with offer.PJSIP_HAS_100REL
configuration has been removed.Supported offer and answer scenarios:
2007-10-04 07:39:45: @bennylp commented
Related to this, ticket #389 adds new commands in pjsua application to change codec orders and send UPDATE.
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