# IP Audio Announcement System

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Descriptions

The IP AAS provides multi-lingual audio announcements for unattainable call and prepaid service. This can be done over 60 channels to notify subscribers their call status or prepaid account information. The announcement can be recorded and the playback can be flexibly configured to meet the specific requirements. The AAS is connected to the MSC using BICC interfaces over virtual connections.

See Also

• AAS Parameter Dictionary

• Enable Audio Announcement

Feature List

Feature | Descriptions
Interface | BICC to MSC, MGCP to MSC (Tone), CAP to PPS RTP voice streams to media gateway
Audio Announcement | Support 5 languages 60-channel announcement playback per AAS 1000 announcements per language Max. 300 seconds in length per announcement Programmable voice group Programmable syntax Support voice format: PCM a-law and Mu-law Configurable cause mapping to announcements Support for AMR & EFR & FR codecs
IP Tone Generator | 512 ports tone (ring and busy tone) playback (controlled by MGCP) Prerecorded common tone with configurable frequency and cadence
Prepaid Service Announcement (SRF) | Interactive announcement for prepaid service: •Recharge •Inquiry •Transfer balance •Virtual calling card •Friends & Family number management •Parent & Children number management •PPS account management
PPS Call Teardown Prompts | Prompt when a subscriber's balance is below the threshold Call reject when the balance can’t afford the call Call disconnection prompt when the balance is going to exhausted Call disconnection notification at the call disconnection
Call Unattainable Announcement | Called number is invalid Subscriber is offline Subscriber is busy Line is busy Caller is invalid Called number is not in use Caller has not applied this service Called number is temporarily unreachable Call hold Call waiting
Dual Homing | Support dual homing to MSC
License Control | AAS application flag

AAS Parameter Dictionary

Parameter | Definition | Range
System | -- | --
•System Number | (Read Only) ID to identify the target AAS. | 0 - 1
•AAS Prefix | Define an internal prefix used to route to AAS and play audio announcement. •Default = BB | Numeric max 16 digits
•Play Times | Define the audio announcement play times. | 1 - 5
Link Management | Manage link relevant parameters to connect the target AAS to MSC. One AAS can set two links. | --
•Network Indicator | Select the type of network used to establish connection between AAS and MSS. | •National •National Spare •International •International Spare
•SRF E.164 Number | (Read Only) The E.164 node address of the SRF. | Valid E.164 number
•CC | The code that identifies the country's network. | Numeric max 4 digits
•NDC | Define the national calling area or national network to which the subscriber belongs. | Numeric max 6 digits
•AAS0 OPC | Originating Point Code of AAS0. | ITU = 1 - 16383 ANSI = 1 - 16777215
•AAS0 DPC | Destination Point Code of AAS0.
•AAS1 OPC | Originating Point Code of AAS1.
•AAS1 DPC | Destination Point Code of AAS1.
•Link0 Flag | Enable or disable link 0 of the target AAS. | •Enable •Disable
•Link1 Flag | Enable or disable link 1 of the target AAS.

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