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Sharing isdn lines through cisco videconferencing gateway 3522

I would like to share my isdn lines between my tandberg codec devices, will the cisco gateway 3522 do it for me or do i need the gatekeeper also.

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Re: Sharing isdn lines through cisco videconferencing gateway 35

Cisco IOS Gatekeeper or equivalent is required.The Cisco Unified Videoconferencing 3522 BRI Gateway enables audio, video and data communication between H.320 endpoints that connect through Integrated Services Digital Network (ISDN), and H.323 endpoints that connect through a packet-based network. For voice-over-IP, the gateway enables Public Switched Telephone Network (PSTN) voice callers to connect with IP voice callers. The Cisco Unified Videoconferencing 3522 BRI Gateway supports up to four BRI ISDN ports. The gateway supports H.239 standards-based dual video and TANDBERG DuoVideo technology. Dual video streams enable a screen to carry video images from one source while simultaneously displaying images from a second source.

http://www.cisco.com/en/US/prod/collateral/video/ps7190/ps1870/ps6961/product_data_sheet0900aecd804bbfd6.html

http://www.cisco.com/en/US/docs/video/cuvc/5_0/gateway/352x/administration/guide/setup2.html#wp1855923

http://www.cisco.com/en/US/docs/video/cuvc/release_5_1/gateway/352x/installation/guide/all_gw_functionality.html

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