| Problem Summary | Calls are dropped when a caller tries to invoke supplementary services like Call Hold, consult or conference.
|
| Error Message | ERROR: Supplementary service invoked by Caller. This feature is not supported.
|
| Possible Cause | Caller is trying to invoke supplementary services like Call Hold, consult or conference. This is an unsupported feature.
|
| Recommended Action | On Unified CM (with supported Unified CVP version), turn on MTP (Media Termination Point).
|
| Release | Release 7.0(2) |
| Associated CDETS # | None. |
