External Gatekeeper

Device Management

 

 

Table 5-11Add External Gatekeeper dialog box

Column

Description

 

 

Prefix range

The dial string prefix or prefix range for which the

 

external gatekeeper is responsible.

 

Enter a single prefix (44), a range of prefixes (44-47),

 

multiple prefixes separated by commas (44,46), or a

 

combination (41, 44-47, 49).

 

If your dial plan uses the Dial services by prefix dial rule

 

(in the default dial plan) to route calls to services, all dial

 

strings beginning with an assigned prefix are forwarded

 

to this gatekeeper for resolution.

 

If your dial plan instead uses a rule that you create to

 

apply the Resolve to external gatekeeper action,

 

there is no need to specify a prefix.

 

 

Strip prefix

If selected, the system strips the prefix when a call that

 

includes a prefix is routed to this gatekeeper.

 

 

Prefer routed

If selected (the default), the system forces a call to this

 

gatekeeper to routed mode if:

 

The gatekeeper is configured with a prefix.

 

The destination signaling address in the

 

 

gatekeeper’s location confirm (LCF) message

 

 

contains its own IP address (indicating that it’s in

 

 

routed mode).

 

This setting must be enabled to avoid interoperability

 

issues with Polycom CMA and Avaya gatekeepers, and

 

possibly others as well.

 

 

Authentication Mode

In this section, you can configure the system to send its

 

H.235 credentials when it sends address resolution

 

requests to that gatekeeper.

 

 

Enabled

Clearing this check box lets you stop sending H.235

 

credentials to the external gatekeeper without deleting

 

them.

 

 

Name

The H.235 name of the Polycom DMA system.

 

 

Password

The H.235 password for the Polycom DMA system.

Confirm password

 

 

 

 

Algorithm

Select the encryption algorithm for H.235

 

authentication.

 

 

LRQ test

Click to test the configuration by sending an LRQ

 

message to the external gatekeeper.

 

 

 

Polycom, Inc.

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Polycom 3725-76302-001LI manual Apply the Resolve to external gatekeeper action, Authentication Mode