Matrix ETERNITY NE System Manual 699
To be able to place calls on Global Hold, you must select Global Hold as the Default Call Hold Type in the
System Parameters. The Extended IP Phone (which picks up the call) must have a DSS Key to access the Trunk or
the Extension which is put on hold. See “System Parameters” for instructions.
• SARVAM UCS provides the flexibility to use Exclusive Hold and Global Hold at the same time. You can
put calls on Exclusive Hold even when Global Hold is enabled in the system using the Hold Feature key
only.
• SARVAM UCS does not support Global Hold on SIP Trunks.
• You must first retrieve the call that is put on Exclusive or Global Hold, if it is to be transferred or
included in a Conference.
Consultation Hold
During an on-going conversation, any SLT or Extended IP Phone can place a call on Consultation Hold to perform
any of the following:
• “Call Transfer”
• “Call Toggle”
• “Conference-3 Party”, “Conference-Multiparty”, “Conference Dial-In”
• “Call Park”
• “Mute”
• “Call Chaining”
• “Conversation Recording”
• “Flashing on Trunks (Continued Dialing)”
The call is released from the held state once the operation has been performed or canceled. For instructions on
using the above mentioned features, refer How to Use of the respective feature.
How to configure
For this feature to work, you must configure the following parameters:
• Class of Service: Call Hold must be enabled in the Class of Service (CoS) of the Extended IP Phone/SLT
users you want to allow this feature.
Call Hold is included in the 'Basic Features' in the Class of Service assigned to the users. So, all
extensions of SARVAM UCS can use this feature.
Refer the topics “Class of Service (CoS)” to know more.
• Call Hold Type: Enable the desired option, that is, Exclusive Hold or Global Hold in the “System
Parameters”.
• Send Re-INVITE over SIP Trunk on Hold: When an external call over a SIP Trunk is put on hold by any
extension, and you want SARVAM UCS to send Re-INVITE message over SIP Trunk to the remote end,
you must enable this check box on the SIP Trunk. See “VoIP” in “SIP Trunks” to know more.
• DSS Keys: Configure DSS Keys for Trunks and Extensions on the Extended IP Phones, which are
allowed to retrieve calls on Global Hold. Configure the DSS Keys for Exclusive Hold, if required. Refer the
topic “Phone Key Settings” in “Configuring Matrix SPARSH VP248”, “Phone Key Settings” in “Configuring
Matrix SPARSH VP310”, “Phone Key Settings” in “Configuring Matrix SPARSH VP330” and “Phone Key
Settings” in “Configuring Matrix SPARSH VP510” for instructions.
• Global Hold Retrieval Timer: Change the default setting of this timer to the desired duration, if required.
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