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Call Manager Inter Cluster Trunk Gatekeeper Controlled

Hi

With regard to setup of intercluster trunk gatekeeper controlled, it has a setting for QSIG, is this setting not used.

How is it used for Gatekeepr controlled when the h323 messages all go to the gatekeeper.

Please advise what the QSIG config is used for in the trunk config for gatekeepr controlled trunks.

Thanks

Bill

CCIE 3906

1 REPLY
Green

Re: Call Manager Inter Cluster Trunk Gatekeeper Controlled

The Annex M.1 feature uses intercluster trunks and H.225 trunks to transport (tunnel) non-H.323 protocol information in H.323 signaling messages between Cisco CallManagers. Annex M.1 supports QSIG calls and QSIG call independent signaling connections. After you complete intercluster trunk configuration in Cisco CallManager Administration, QSIG tunneling supports the following features: Call Completion, Call Diversion, Call Transfer, Identification Services, Message Waiting Indication, and Path Replacement.

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Note For designated third-party switch equipment, the Annex M.1 feature can also use H.323 gateways to transport (tunnel) non-H.323 protocol information in H.323 signaling messages between Cisco CallManagers. Refer to the Cisco CallManager Compatibility Matrix for information about Annex M.1 feature interoperability with third-party vendors.

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Tip If you use a gatekeeper, you must configure every gateway in the network for QSIG tunneling. If any gateway in the network does not support QSIG tunneling, calls drop at the intercluster trunk that is configured for QSIG tunneling.

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For Cisco CallManager to support QSIG tunneling, you must choose the QSIG option in the Tunneled Protocol drop-down list box and check the Path Replacement Support check box in the Trunk Configuration window in Cisco CallManager Administration. By default, Cisco CallManager sets the option in the Tunneled Protocol drop-down list box to None; after you configure the QSIG Tunneled Protocol option, the Path Replacement Support check box automatically becomes checked. If you do not require path replacement over Annex M.1 or QSIG-tunneled trunks, you can uncheck the check box.

When you set the Tunneled Protocol field to None, Cisco CallManager automatically grays out the Path Replacement Support check box. When you set the Tunneled Protocol field to QSIG, you cannot configure the Redirecting Number IE Delivery (Inbound), Redirecting Number IE Delivery (Outbound), or Display IE Delivery options.

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Tip Cisco CallManager does not support protocol profile 0x91 ROSE encoding with Annex M.1.

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