Dialogic® SS7G2x Signaling Server SGW Mode User Manual Issue 4

Table 6. MTP3 ANSI Timers (Continued)

 

Range

Default

 

TO

(milli-

Description

(milliseconds)

 

seconds)

 

 

 

 

 

 

 

 

6

500 to 1200

1000

Delay to avoid message mis-sequencing on controlled rerouting

 

 

 

 

10

30 to 60secs

45 sec.

Waiting to repeat signaling route set test message

 

 

 

 

12

800 to 1500

1200

Waiting for uninhibit acknowledgement

 

 

 

 

13

800 to 1500

1200

Waiting for force uninhibit

 

 

 

 

14

2000 to 3000

3000

Waiting to start signaling route set congestion test

 

 

 

 

17

800 to 1500

1000

Delay to avoid oscillation of initial alignment failure and link

restart

 

 

 

 

 

 

 

21

N/A

N/A

Reserved

 

 

 

 

 

 

 

Local inhibit test timer

22

180 to 360 sec.

270 sec.

NOTE: This timer is referred to as timer T20 in the ANSI

 

 

 

specification.

 

 

 

 

 

 

 

Remote inhibit test timer

23

180 to 360 sec.

270 sec.

NOTE: This timer is referred to as timer T21 in the ANSI

 

 

 

specification.

 

 

 

 

24

N/A

N/A

Reserved

 

 

 

 

5.3.3SCTP-Specific Timers SCTP-specific timers are given in Table 7.

Table 7. SCTP-Specific Timers

TO

Range

Default

Description

(milliseconds)

(milliseconds)

 

 

 

 

 

 

1

100 to 500

500

Minimum retransmission timeout (RTO)

 

 

 

 

2

100 to 60000

2000

Maximum retransmission timeout (RTO)

 

 

 

 

3

T1 to T2

1000

Retransmission timeout RTO initial value

 

 

 

 

4

100 to 3000

1000

SCTP Heartbeat timer

 

 

 

 

5.4Board Types

Table 8 shows the signaling board types.

Table 8. Board Types

BRDTYPE

Description

 

 

SPCI2S-4-2

SS7G2x(DSC) Signaling board with 4 signaling links configured and 2 PCMs. Used when

configuring signaling boards with a SIGTYPE of SS7.

 

 

 

SPCI4-4-4

SS7G2x(DSC) Signaling board with 4 signaling links configured and 4 PCMs. Used when

configuring signaling boards with a SIGTYPE of SS7.

 

 

 

SS7HDP-64-4

SS7G2x(DSC) Signaling board with 64 signaling links configured and 4 PCMs. Used when

configuring signaling boards with a SIGTYPE SS7.

 

 

 

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Dialogic SS7G2X manual SCTP-Specific Timers, Board Types