Stephane Alnet 159c4ce95d FS-6816 [mod_sofia] Set empty callee id if _undef_
In some scenarios (e.g. MetaSwitch interop) the `display` field of callee-id should be left empty instead of being overwritten with the number.
As is done in other places, we allow for `_undef_` to mean "leave the field empty".
2018-02-02 10:19:03 +01:00
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2015-09-14 13:30:08 -05:00
2017-12-24 10:23:13 +08:00