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#### Pre-Submission Checklist <!-- Go over all points below, and after creating the PR, tick all the checkboxes that apply --> <!-- All points should be verified, otherwise, read the CONTRIBUTING guidelines from above--> <!-- If you're unsure about any of these, don't hesitate to ask on sr-dev mailing list --> - [x] Commit message has the format required by CONTRIBUTING guide - [x] Commits are split per component (core, individual modules, libs, utils, ...) - [x] Each component has a single commit (if not, squash them into one commit) - [x] No commits to README files for modules (changes must be done to docbook files in `doc/` subfolder, the README file is autogenerated)

#### Type Of Change - [ ] Small bug fix (non-breaking change which fixes an issue) - [ ] New feature (non-breaking change which adds new functionality) - [ ] Breaking change (fix or feature that would change existing functionality)

#### Checklist: <!-- Go over all points below, and after creating the PR, tick the checkboxes that apply --> - [ ] PR should be backported to stable branches - [x] Tested changes locally - [x] Related to issue #3831 and #4249

#### Description <!-- Describe your changes in detail -->

This PR intoduces a flag for the tm cancel logic. The flag denotes that the cancel request is locally generated and an event of `local_request` should be emmited.

Updated also the modules and functions that used tm bindings to adopt for this change. You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/4286

-- Commit Summary --

* tm: Generate local_request for CANCEL only if locally initiated * dialog: Update to use new tm FLAG for CANCEL * rtp_media_server: Update to use new tm FLAG for CANCEL * tmx: Update to use new tm FLAG for CANCEL

-- File Changes --

M src/modules/dialog/dlg_req_within.c (2) M src/modules/rtp_media_server/rtp_media_server.c (2) M src/modules/tm/t_cancel.c (69) M src/modules/tm/t_cancel.h (2) M src/modules/tmx/tmx_mod.c (4)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/4286.patch https://github.com/kamailio/kamailio/pull/4286.diff