1 PSN Services Service Descriptions - Government Procurement ...

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Ring Back When Next Used: Sets up a call between requestor and destination that was
previously not answering by detecting when that destination is next used
Three-Way Calling: Allows three calls to share the same voice path. The calls can be
on Featureline extensions and/or to external numbers.
Withhold Your Number: Prevents the CLI originating from the users phone being
presented to dialled numbers on either a per call basis or permanent. Excludes the
presentation to emergency services where CLI is still presented.
The following feature is also available as a chargeable extra:
Caller Display: Displays CLI of caller or extension number on the users telephone
handset, requires a telephone handset with a suitable display.
H) Call Handling - Service Description for Hosted IPT
The Contractor’s Hosted IPT services are based on technology from 2 suppliers:-
o Genband: appropriate for large enterprise deployments.
o And
o Cisco: appropriate for medium sized and commercial deployments.