#### Pre-Submission Checklist - [x] Commit message has the format required by CONTRIBUTING guide - [ ] Commits are split per component (core, individual modules, libs, utils, ...) - [ ] 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) - [x] 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 #2308

#### Description add support for trimming an already existing alias parameter when calling `set_contact_alias()`

You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/2388

-- Commit Summary --

* nathelper: add optional set_contact_alias([trim]) parameter

-- File Changes --

M src/core/dset.c (85) M src/core/dset.h (1) M src/modules/nathelper/doc/nathelper_admin.xml (12) M src/modules/nathelper/nathelper.c (37)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/2388.patch https://github.com/kamailio/kamailio/pull/2388.diff