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

maybe this already exists but i didn't find. not required to backport but could be useful in 5.1

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

https://github.com/kamailio/kamailio/pull/1666

-- Commit Summary --

* siputils: add is_uri function

-- File Changes --

M src/modules/siputils/checks.c (31) M src/modules/siputils/checks.h (4) M src/modules/siputils/doc/siputils_admin.xml (27) M src/modules/siputils/siputils.c (2)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/1666.patch https://github.com/kamailio/kamailio/pull/1666.diff