SIP User's Manual 424 Document #: LTRT-65412
MP-11x & MP-124
The device also supports "double call hold" for FXS interfaces where the called party, which
has been placed on-hold by the calling party, can then place the calling party on hold as
well and make a call to another destination. The flowchart below provides an example of
this type of call hold:
Figure 9-10: Double Hold SIP Call Flow
The flowchart above describes the following "double" call hold scenario:
1. A calls B and establishes a voice path.