Appendix M - Homologation for Brazil

H.323 & SIP Protocol Flag Options

Using a set of system flags, the user has the ability to select either Polycom proprietary or H.323/SIP standard protocol settings.

H.323 & SIP Flag Settings

Three flags are enabled on the Collaboration Server, allowing the user to define and select either standard or proprietary H.323 and SIP protocol settings.

Flag name: SIP_TIMERS_SET_INDEX

Description: SIP Timer type timeout settings according to standard or proprietary protocol.

Flag section: CS_MODULE_PARAMETERS

Possible Values: either 0 or 1.

0 - Polycom standard (flag default setting)

1 - SIP Standard recommendation. For homologation and certification testing, this flag must be set to 1.

For use as a reference, the following table lists the SIP timer types for each flag setting and their corresponding timeout values in milliseconds.

SIP Timer Types

SIP TIMER Types

 

Value (in milliseconds)

 

 

 

 

 

POLYCOM (flag default)

 

Standard Recommended

 

 

 

 

T1

50000

 

500

 

 

 

 

T2

20000

 

4000

 

 

 

 

TimerB

35000

 

32000

 

 

 

 

TimerC

35000

 

60000

 

 

 

 

TimerD

32000

 

32000

 

 

 

 

TimerF

35000

 

32000

 

 

 

 

TimerH

35000

 

32000

 

 

 

 

TimerI

5000

 

5000

 

 

 

 

TimerJ

32000

 

32000

 

 

 

 

TimerK

5000

 

5000

 

 

 

 

Polycom®, Inc.

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Polycom 1500/1800/2000/4000 Appendix M Homologation for Brazil, 323 & SIP Protocol Flag Options, 323 & SIP Flag Settings