How can I use my Cisco Telepresence products with Voiptalk?

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Updated:December 30, 2010

Document ID:112321

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Introduction

How can I use my TelePresence Product with Voiptalk?

Related Information

Introduction

This article relates to the Cisco TelePresence MCU 4203, Cisco TelePresence MCU MSE 8420, Cisco TelePresence IP VCR 2210, Cisco TelePresence VCR MSE 8220, Cisco TelePresence ISDN GW 3241, Cisco TelePresence ISDN GW MSE 8321, Cisco TelePresence IP GW 3510, Cisco TelePresence MCU 4505 and Cisco TelePresence MCU MSE 8510 products.

Q. How can I use my TelePresence Product with Voiptalk?

A. Voiptalk allows users to register and make phone calls to other users anywhere in the world using the SIP protocol. Codian MCU, IP VCRs and IP GW products can register and make calls using Voiptalk by following these steps:

Obtain a Voiptalk login* for your Codian unit from https://www.voiptalk.org/products/signup.php. This requires an email address to which they will send an ID and password.

Go to Settings > SIP and enter the following details:

For SIP registration settings selectRegister MCU only

For SIP registrar address enter voiptalk.org

For SIP registrar type select Standard SIP

For Username enter <voiptalk id from introductory email>

For Password enter <voiptalk password from introductory email>

For SIP proxy address enter nat.voiptalk.org:5065

For Outgoing transport select UDP

For Video codec: select H.263

For Audio codec: select G.711

Click Apply changes. The Codian productwill register to Voiptalk. You can now call between this and other Voiptalk accounts in either direction by dialing the Voiptalk ID. Note: Any firewalls between the endpoint and Codian product must be SIP aware and have the relevant ports open to allow the call messages and media. (see FAQ Which TCP/UDP ports do the Codian products use?)

If you want callers to dial straight into a conference, add a conference on the MCU with the number of the Voiptalk ID. Alternatively, go to Settings > Conference and for Incoming calls to unknown number select Create new ad hoc conference. This will create a new conference with that number each time a user dials in. Note that is a device-wide setting. (Setting that field to Default auto attendant will connect people to the main auto attendant so they can navigate to different conferences.)

For IP GW users, you can dial PSTN numbers through Voiptalk by setting up a dial plan rule which routes the called number to SIP Registrar.

* Codian is not responsible for the content of third party web sites