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Cisco TelePresence MCU 4200 Series

Using an MCU/IP VCR/IP GW product with an Asterisk Registrar

How do I use my Cisco TelePresence MCU/IP VCR/IP GW product with an Asterisk registrar?

In order to register the Cisco TelePresence MCU/IP VCR/IP GW with Asterisk, the MCU/IP VCR/IP GW must be configured as an endpoint on the Asterisk Registrar. The Asterisk Reistrar runs on Linux and has a command line interface; therefore this article assumes that you are familiar with a Linux editor.

Open the sip.conf file and edit it as follows:

  1. Create a new endpoint for the MCU/IP VCR/IP GW:
  2. Set the username to match the Username field in Settings > SIP page on the MCU/IP VCR/IP GW
  3. Set the password to match the Password field
  4. If conference/recording registration is to be used, create a new endpoint for each conference/recording to be registered. Note that the MCU/IP VCR entry created in step 1 should be after these entries.
  5. Set the username to match the Numeric IDs of the conferences (or auto attendants)/recordings on the MCU/IP VCR
  6. Set the password to match the Password field in the Setting > Settings page
  7. By default, Asterisk only supports audio. To enable video, add the line 'videosupport=yes' to the main body of sip.conf.
  8. Enable the H.263 video codec - either by adding the line 'allow=h263' to the main body, or, for greater control, by adding it to the individual endpoint definitions (for those endpoints which you want to be able to send and recieve video).
  9. In order for a SIP endpoint to be able to navigate the auto attendant, Asterisk has to be configured to use DTMF inband mode - either by adding the line 'dtmfmode=inband' to the main body, or, for greater control, by adding it to the individual endpoint definitions (for those endpoints which you want to be able to use DTMF).
  10. Save your changes and close the file.

On the MCU/IP VCR /IP GW:

  1. Go to Settings > SIP.
  2. Complete the page using the online help, if required.
  3. For SIP registrar type, select Standard SIP.
  4. Click Apply changes.

This article applies to the following products:

  • Cisco TelePresence IP GW 3500 / MSE IPGW blade
  • Cisco TelePresence IP VCR 2200 / MSE VCR blade
  • Cisco TelePresence MCU 4200 / MSE 8420
  • Cisco TelePresence MCU 4500
  • Cisco TelePresence MSE 8510 blade

April 13th, 2011 TAA_KB_40