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Introduction to deploying Pexip Infinity with Polycom DMA

Polycom DMA is a SIP/H.323 registrar and call control device. This guide describes how to integrate the Pexip Infinity solution with a deployment based around Polycom DMA, so that SIP and H.323 calls can be routed to and from Pexip Infinity services and endpoints registered to the DMA.


This guide assumes that you are familiar with DMA.

It assumes that Pexip Infinity and DMA have been deployed successfully, configured with basic settings (such as an IP address, DNS and NTP servers) and are able to route calls. It also assumes that Pexip Infinity has been configured with Virtual Meeting Rooms and associated aliases appropriate to your dial plan.

Example deployment scenario

The examples used in this guide assume a dial plan where all Virtual Meeting Room aliases are in one of the following two formats:

  • meet.<name>
  • 555<extension>

It assumes that a Virtual Meeting Room, named meet.alice, has been configured with two aliases: and

Note that Pexip Infinity supports aliases that include a domain (e.g., as well as aliases without a domain (e.g. just 555123). To match a received destination alias that includes a domain, the aliases configured within Pexip Infinity must also include the same domain. If an alias configured on Pexip Infinity does not include a domain:

  • calls to <alias> without any domain portion (e.g. 555123) will be matched
  • calls to <alias>@<IPaddress> (e.g. 555123@ will be matched
  • calls to <alias>@<domain> (e.g. will not be matched.