PHS MoU Document
B-SV2.40-01-TS
Title: Public Personal Handy-phone System : Service Specifications ofHandover Service
Version: 01
Date: Dec. 17, 1996
PHS MoU Classification: Unrestricted
List of contents:
1.

Definition

2.

Description

3.

Procedures

4.

Network capabilities for charging

5.

Internetworking Requirement

6.

Interaction with other supplementary services

Number of pages: 3

PHS MoU Group
c/o Association of Radio Industries and Businesses (ARIB)
14F, Nittochi Bldg., 4-1, Kasumigaseki 1-choume, Chiyoda-ku, Tokyo 100, Japan
TEL +81-3-5510-8599 FAX +81-3-3592-1103© PHS MoU Group1996

PHS MoU Document
B-SV2.40-01-TS
Version01

History of Revised Versions
DateOutline
17 Dec. 1996

EstablishedB-SV2.40-01-TS
Public Personal Handy-Phone System: Service Specifications of Handover ServiceContents
1 Definition ............................................................................................................................. 1
2 Description ........................................................................................................................... 1
3 Procedures ............................................................................................................................ 1
4 Network Capability for Charging......................................................................................... 2
5 Interworking Requirement ................................................................................................... 2
6 Interaction with other supplementary services..................................................................... 2

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1 Definition
Handover is a service which is provided to the PHS user during active phase. Handover is a function
which switches communication path from a CS to an adjacent CS.
2 Description
2.1 General Description
In case the PS or CS detect that communication quality degrades less than specified value Handoverfunction is required for the network. The network switches the communication path from the Interface
in use to the Interface which Handover is required, based on PHS number. There is no limitation on
the transmission capability of communication, however the capability before and after Handover ismaintained. This service is applicable between CS under same switchboard.
2.2 Specific Terminology
None identified.
2.3 Qualifications on the Applicability to Telecommunication Service
None identified.
3 Procedures
3.1 Provision/withdrawal
The service is provide in parallel with PHS communication service.
3.2 Normal procedures
3.2.1 Activation/Deactivation/Registration
Handover is activated by subscription.
3.2.2 Invocation and Operation
3.2.2.1 Invocation
The service is invoked by the requirement of Handover function from PS to the network in case thePS or CS detect that the communication quality degrades less than specified value.
3.2.2.2 Operation
In case the network accepts the requirement of Handover the network switches the communication
path from the Interface in use to the Interface which Handover is required, based on the PHS number.
Communication service is interrupted in case the communication path after Handover is notestablished with that before Handover.

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3.3 Exceptional Procedures
3.3.1 Activation/Deactivation/Registration
Handover is activated by subscription.
3.3.2 Invocation and Operation
The requirement of Handover from PS may be refused by the network due to the reasons of theinterface which is required Handover. In this case, the PS continue to communicate using the formerinterface.
3.4 Alternative Procedures
None identified.
4 Network Capability for Charging
Charging principle is out of the specification described in the document.
5 Interworking Requirement
None identified.
6 Interaction with other supplementary services
6.1 Calling User Identification Presentation (CUIP)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.2 Calling User Identification Restriction (CUIR)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.3 Call forwarding
6.3.1 Call Forwarding Unconditional (CFU)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.3.2 Call Forwarding on PS Busy (CFB)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.3.3 Call Forwarding on No Reply (CFNRy)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.

2

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6.3.4 Call Forwarding on PS Not Reachable (CFNRc)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.4 Call barring
6.4.1 Barring of All Outgoing Calls (BAOC)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.4.2 Barring of Outgoing International Calls (BOIC)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.4.3 Barring of Outgoing International Calls except call to Home Country (BOIC-exHC)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.4.4 Barring of All Incoming Calls (BAIC)No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.4.5 Barring of Incoming Calls on Roaming outside Home Country (BIC-roam)
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.5 DTMF Transmission
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.6 HandoverNot relevant.
6.7 Subaddress
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.
6.8 User scrambling
No impact, i.e. neither supplementary service affects the operation of the other supplementary service.

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