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RTR - Router (0x0064)

Configuration Bytes

The table below shows the PPL Configuration Byte values for the Router component.

BYTE | Description | Values
--- | --- | ---
0x01 | Hunting Algorithm | 0x00 = Reserved 0x01 = First Free 0x02 = Reserved 0x03 = Round Robin
0x02 | Reserved |
0x03 | Route entry on rejection (How to handle a rejection from a terminating object) | 0x01 - Do Not Retry Routing (default) 0x02 - Retry Routing
0x04 | Resource Group Table ID | The Resource Group Table to be used (User-defined)
0x05 | Route Table ID | The Route Table to be used (User-defined)

General Purpose Registers

The table below shows the General Purpose Register values for the Router component.

GPR # | Description
--- | ---
1 | Routing Method
2 | Search Key
3 | Route Table Entry row index
4 | Entry Data Tag; Resource Group member counter
5 | Entry Data TLV Count
6 | Resource Group Member Count
7 | Hunting Algorithm
8 | Resource Group Address Element Type
9 | Resource Group Member counter
10 | Reserved
11 | Index to the Entry Data TLVs
12 | TLV Data
13 | Error Codes for rejecting Route requests
14 | Reserved
15 | Reserved
16 | Flag for Criteria/Route Group ID
17 | Resource Group Tag length
18 | Resource Group Data
19 | Flag to track whether the Request initiator being CM or RTR
20 | Reserved
21 | Reserved
22 | More Criteria
23 | Num Digits to compare
24 | Criteria Type
25 | Route Group ID from Route Table

PPL Timers

The table below shows the PPL Timer values for the RTR component.

Timer ID | Timer Name | Default Value (seconds)
--- | --- | ---
2 | Remote CM/RTR CSA ACK Wait | 60
3 | Initiating RTR Route Operation Complete Event Wait | 30

PPL Events

The table below shows the PPL events sent to the Router component.

Event | Description
--- | ---
To Router from CM
(1) L4RTRevL4CM_CALL_SERVICE_ROUTE_REQUEST | Indication of CM requesting a route derivation for an incoming call.
Router to Router
(2) L4RTRevL4RTR_CALL_SERVICE_ROUTE_REQUEST | Indication of RTR requesting a route derivation of an incoming call on a different node.
(3) L4RTRevL4RTR_CALL_SERVICE_REQUEST_ACK | Indication of RTR successfully deriving a route for a CSR.
(5) L4RTRevL4RTR_CALL_SERVICE_REQUEST_REJECT | Indication of RTR being unsuccessful in deriving a route for a CSR.
(7) L4RTRevL4RTR_CALL_SERVICE_REQUEST | Indication of RTR requesting a route derivation to the RTR component at the other node.
(8) L4RTRevL4RTR_ROUTE_OP_COMPLETE | RTR Indicating to the other RTR about completion of an association among the two RTR components.

See Programmable Protocol Language.
Tag-Length-Value block. A standardized block that allows data to inserted in a standard way into API messages.
The information in an AIB that follows the header, down to the data field. An AIB can have one or more Address Elements. AEs correspond to Span, Channel, and SS7 Link.
Message delimiter (SS7 bit pattern - 01111110)
See Converged Services Administrator.
Positive acknowledgment to a message