Multi-Tech Systems MULTIVOIP MVP-410ST/810ST - Manual (Page 189)

MultiVOIP User Guide Technical Configuration (T1/E1)
189
16. Set Supplementary Services Parameters. This dialog box can be
reached by pulldown menu, keyboard shortcut, or sidebar.
Accessing “Supplementary Services Parameters”
Pulldown Icon
Shortcut Sidebar
Ctrl + Alt +H
Supplementary Services features derive from the H.450 standard, which
brings to voip telephony functionality once only available with PSTN or
PBX telephony. Supplementary Services features can be used under
H.323 only and not under SIP.