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.