BusinessPhone Communication Platform 7.0
Facilities

## Brazil – Collect Call Blocking

## Definition

In Brazil it is possible to make a call in such a way, that the destination (called) party pays for it. This is called destination Collected Call. Some customers want to avoid this type of calls, i.e. what is called destination CCB (Collect Call Blocking).

## Use

The Collect Call Blocking function has been developed for Brazil, and is only available in the national specific ISDN and MFC signaling protocol. ASB 150 02 is connected to the public ISDN via a T‑reference point or via CAS trunks as a stand‑alone PBX.

## Operation

The CCB functionality depends on programming. ASB 150 02 offers a CCB parameter per:

- extension
- ACD group
- PBX group
- system level (directory numbers, which are reachable from the public network).

If Collected Calls are allowed for a called internal destination then the call setup continues as normal incoming call. In this case all Collected Calls will be allowed for a called destination.

If Collected Calls are not allowed (blocked) for a called internal destination then the call setup is rejected and signalled to the public network. In this case all Collected Calls will be rejected for a called destination.

### Call Logging

All incoming calls with available Collected Call notification are registered with additional info code for answered incoming Collected Calls into the call record. Information status 3 of the Flexible CIL format shows the additional info code (6th character - Bit 1).

## Capacity / Limitations

At an incoming call the CCB category check is done only for the first called destination which is free and accepting the call (before alerting/answer). Interaction with other features can be summarized as:

- At immediate diversion (follow-me) / rerouting the CC category is tested for the last destination in the chain.
- At no answer diversion / rerouting the CC category is tested for the for the first called party, where the call is placed and indicating 'free' (before ringing). This is also valid for call transfer and call pick-up.

ASB 150 02 users can accept or reject CCB - depending on programming - but can not request Collected Calls.

ASB 150 02 does not support CCB for network calls.

## Programming

If MFC/CAS signalling is used:

Command | Value
1201 Line signal scheme | CAS, Brazil CCITT R2 (unforced)
1312 MFC signal scheme | Brazil R2

If ISDN trunks are used:

Command | Value
1911 Network signalling protocol | Brazil

User categories

0194 Collected Calls allowed?

2095 Collected Calls allowed?

3510 Collected Calls allowed?

3835 Collected Calls allowed?

## Equipment

- At least Release 14 and a Basic License entry in the license file.
- Appropriate ISDN FW (PRA, BA).

Revision: E © Ericsson Enterprise 2005