Овакимов георгий георгиевич

Автор: Максим от 26.07.2018, 14:26, посмотрело: 774

Assume that Skype for Business users exist at both Sites 1 and 2. Call admission control CAC , manages real-time session establishment, based on available bandwidth, to help prevent poor Quality of Experience QoE for users on congested networks. Furthermore, the service provider may charge extra for this capability.

Овакимов георгий георгиевич

Acting as an intermediary for call flows that a gateway does not support, such as calls from remote workers on an Enterprise Voice clien. Call admission control CAC , manages real-time session establishment, based on available bandwidth, to help prevent poor Quality of Experience QoE for users on congested networks.


Media bypass and call admission control CAC are mutually exclusive. Thus, the Mediation Server has to handle bandwidth interactions on behalf of its gateway peer. The Mediation Server has extended capabilities so that it can correctly interact with Enhanced E service providers.


This is because qualified gateways are capable of DNS load balancing to a pool of Mediation Servers and they can receive traffic from any Mediation Server in a pool. When defining a call route, you specify the trunks associated with that route, but you do not specify which Mediation Servers are associated with that route. The following figure shows a simple topology consisting of two sites connected by a WAN link.

Овакимов георгий георгиевич


A Mediation Server pool must have a uniform view of the peer gateway with which it interacts. You must still create a root trunk when you add a gateway to your Skype for Business topology using Topology Builder.

Овакимов георгий георгиевич

Our new feedback system is built on GitHub Issues. In this topology, media bypass is enabled globally to use site and region information, and the trunks to each PSTN gateway GW1 and GW2 have bypass enabled.

Овакимов георгий георгиевич

Where a remote site without a Mediation Server is connected to a central site by one or more WAN links with constrained bandwidth, media bypass lowers the bandwidth requirement by enabling media from a client at a remote site to flow directly to its local gateway without first having to flow across the WAN link to a Mediation Server at the central site and back. When a Mediation Server is collocated with a Front End pool, the pool size can be at most 12 the limit of the Registrar pool size.

Овакимов георгий георгиевич


In some deployments, it also translates the media itself between these points. If media bypass is employed for a call, call admission control is not performed for that call.

Овакимов георгий георгиевич

Media bypass also decreases the processing load on the pool. If that is not possible for example, if the locality of the ultimate media endpoint on the gateway side is unknown for an outgoing call to the gateway peer , bandwidth is reserved when the call is placed. This issue can be more severe if a Mediation Server at a central site is routing calls for an IP-PBX where the route terminates at a branch site, because more time is needed for signaling to complete.

Овакимов георгий георгиевич

This issue can be more severe if a Mediation Server at a central site is routing calls for an IP-PBX where the route terminates at a branch site, because more time is needed for signaling to complete. Assume that Skype for Business users exist at both Sites 1 and 2. If that is not possible for example, if the locality of the ultimate media endpoint on the gateway side is unknown for an outgoing call to the gateway peer , bandwidth is reserved when the call is placed.

Овакимов георгий георгиевич


Media bypass and bandwidth reservation are mutually exclusive. RSS enables incoming packets to be handled in parallel by multiple processors on the server.


The Mediation Server can be deployed as a pool; this pool can be collocated with a Front End pool, or it can be deployed as a stand-alone pool. If you experience this behavior, deploying a Mediation Server at the branch site is the only way to reduce clipping of the first few words. If you deploy SIP trunks, however, you must deploy a Mediation Server at the site where each trunk terminates.


Раздел: Технологии

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3 августа 2018 г. 19:58:46

jodhsepyti

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Это хорошая идея.

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