N2-030536.doc - 3GPP.doc

3GPP WG2 Meeting #31 N2-030536
Bangkok, Thailand, 27th – 31th October 2003
Title: Contents of each CAMEL phase
Source: CN2 Chairman
This is an informative document to summarise functionalities of each CAMEL phase.
CAMEL phase 1:
CAMEL phase 1 functionality:
Functionality
Purpose / supports
Restrictions
Triggering on MO and MT calls.
Call screening
Simple VPN
Call Forwarding
Call Redirection
Call Rerouting
Homing of pre-paid calls to HPLMN
No IN announcements supported
No charging operations
Limited set of detection points, . the hunting services are not possible.
MT calls trigger in the GMSC only.
Not possible to activate Call Forwardings with VPN short codes.
Any Time Interrogation
The SCP may whenever request HLR to provide subscriber status and/or location information.
The location is not up-to-date unless the mobile has an active call ongoing.
CAMEL phase 2:
CAMEL phase 2 functionality:
Functionality
Purpose / supports
Restrictions
Triggering on MO and MT calls.
Call screening
Simple VPN
Call Forwarding
Call Redirection
Call Rerouting
In-band user interaction (DTMF)
Tones and announcements
MT calls trigger in the GMSC only.
Charging operations
Pre-paid (MO, MT, CF)
Free-phone
Premium rate
Personal Discount
Location Dependent discount
Reverse Charging
SCP provided e-parameters
MO AoC
Inter-vendor inter-working problems.
Ne