Requirements for video calls between two companies with Ex90

Hello

where can I get information in the order two video calls Ex90 defined between the two companies, each company has its own server CM 8.6 and Ex90 phones.

for the momment I know just we need video communications server, but I would like to get info on how about Communications Server config and whether a specific config is required in CM server.

concerning

If we assume that both companies want to stick to a Cisco solution, then you will need to use a control VCS Cisco and VCS Expressway (VCS-E). You can also remove this with a solution of VCS StarterPack (according to the needs for scalability and other design objectives). The two entities should have a solution in place.

At a high level, you would have a SIP trunk of the AAU to VCS. VCS has a relationship of peering with VCS-E and the VCS - E is sitting in your public DMZ. The VCS-E to Cust A can communicate with the VCS-E to Cust B. You can do this in fact through a peering model (commissioning on both devices of VCS - E) or you can simply use DNS and URI component to facilitate the call installation introduction.

You will of course face the network aspect (IP addressing, the rules of firewall, etc.). You need a coordination "numbering plan" according to which (if any) the URI dialing rules have been established by organizations. With versions of the CUCM prior to 9.x, you shouldn't that numbering URI has a little support limited. CUCM 9.0 adds some improvements of numbering URI. Not that you must be about 9.0 or version later to do what you want, just that you have a different set of parameters to function as with the pre - 9.0 version.

The above is pretty generic, but it can give you a point of reference to start with.

HTH.

-Bill (http://ucguerrilla.com)

Tags: Cisco Support

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