Dialing a SIP end point via MS Lync (Skype for Business) 2013

How do you dial from your Skype for Business 2013 client to a FDQN remote SIP device (video, SIP server, client) - what is required to do so

Inviting an end user, not on my contact list is no issue but someone outside of my domain ?

June 2nd, 2015 1:23pm

hi

You have to setup federation with other companies to communicate using Skype for business client.

For Lync 2013

https://technet.microsoft.com/en-us/library/jj204825(v=ocs.15).aspx 

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June 2nd, 2015 2:09pm

Would we have to allow places like this - see example  http://thetestcall.blogspot.com/ to be able to add them a invite?

June 2nd, 2015 2:14pm

Hello!

It looks like you are actually trying to do calls via the PSTN, and not just SIP calls to SIP-enabled contacts. If you are looking for the dial pad within your Skype for Business client to dial PSTN numbers, you will need to have your user account enabled for Enterprise Voice. Once a user is enabled for Enterprise Voice, they will be able to see the dial pad in their client. However, their Skype for Business Server 2015 or Lync Server 2013 environment actually needs to be set up for Enterprise Voice as well. Just because the dial pad is present in the client does not mean that a user would actually be able to successfully dial an external number without the Mediation Server properly setup with a SIP Trunk or other PSTN service being provided to the environment.

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June 2nd, 2015 5:01pm

Hi msreynolds55,

To deploy Enterprise Voice, you must have a mediation server, then you can choose to configure a direct sip trunk from a Certified Sip Trunking Provider or set up an on-premises PSTN gateway.

Theres a SIP trunking services list that have been independently qualified to meet the UCOIP requirements.

https://technet.microsoft.com/en-us/office/dn788947.aspx?f=255&MSPPError=-2147217396

 

Best regards,

Eric

June 2nd, 2015 10:18pm

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