H.323 Protocol Parameters

The parameters listed in the next table are supported only with the Polycom VVX 500/501, 600/601, and 1500 phones.

Table 1. H.323 Protocol Parameters

Template

Parameter

Permitted Values

Change Causes

Restart or Reboot

h323.cfg

voIpProt.H323.autoGateKeeperDiscovery

1 (default) - The phone will attempt to discover an H.323 gatekeeper address via the standard multi cast technique, provided that a statically configured gatekeeper address is not available.

0 - The phone will not send out any gatekeeper discovery messages.

Yes

h323.cfg

voIpProt.H323.blockFacilityOnStartH245

0 (default) - facility messages when using H.245 are not removed.

1 - facility messages when using H.245 are removed.

Yes

h323.cfg

voIpProt.H323.dtmfViaSignaling.enabled

1 (default) - The phone will use the H.323 signaling channel for DTMF key press transmission.

0 - The phone will not use H.323 signaling channel for DTMF key press transmission.

Yes

h323.cfg

voIpProt.H323.dtmfViaSignaling.H245alphanumericMode

1 (default) - The phone will support H.245 signaling channel alphanumeric mode DTMF transmission.

0 - The phone will not support H.245 signaling channel alphanumeric mode DTMF transmission

Note: If both alphanumeric and signal modes can be used, the phone gives priority to DTMF.

Yes

h323.cfg

voIpProt.H323.dtmfViaSignaling.H245signalMode

1 (default) - The phone will support H.245 signaling channel signal mode DTMF transmission.

0 - The phone will not support H.245 signaling channel signal mode DTMF transmission.

Yes

h323.cfg

voIpProt.H323.enable

0 (default) - The H.323 protocol is not used for call routing, dial plan, DTMF, and URL dialing.

1 - The H.323 protocol is used for call routing, dial plan, DTMF, and URL dialing.

Yes

h323.cfg

voIpProt.H323.local.port

Local port for sending and receiving H.323 signaling packets.

0 - 1720 is used for the local port but is not advertised in the H.323 signaling.

0 to 65535 - The value is used for the local port and it is advertised in the H.323 signaling.

Yes

sip-interop.cfg

voIpProt.H323.local.RAS.port

Specifies the local port value for RAS signaling.

1719 (default)

1 to 65535

Yes