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Lync 2010 Live Meeting Phone Numbers

Posted on 2011-02-15
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Hey Experts,

I am doing a Lync 2010 implementation and have some questions regarding the Live Meeting portion.  We are chosing not to integrate any phone systems into Lync.  Does this limit our ability to dial into a Live Meeting (much like what you see in goto meeting or Webex) or does Microsoft have a pool of numbers available for Live Meetings to which us not integrating our phones won't matter?
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Question by:djjackfrwmml
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by:MikeKane
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I have found that this depends on the scope of the meeting.    I have tested setting up internal meetings using the meet.domain.com URL for iemployees only.    NO enterprise is configured, but I have allowed for PC to PC calls.   When the meeting is joined by the creator you get a window that prompts you to join PC audio/video along with 'do not join audio' and a 'call me at' field.   The other participants would see the options after installing Silverlight.  

Is that what you were after?
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by:djjackfrwmml
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so you did not do dial in conferencing?
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by:MikeKane
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Oh we do dial in conferencing, but we setup a conference call number using a separate system.    In lync, when the meeting organizer sets up the meeting, the conference call number is provided in the email before the invites go out.     So far, I've found that using Lync for the dial in causes some issues in our environment what with either using Cisco CUCIMOC to integrate the desk phone extension with the Lync client, or using the Lync method of a SIP Trunk to the CCM with a route to link the lync extensions with the office extensions.     No one here wants multiple extensions....

I'm still putting lync through its paces in this office.   So far, it seems, most everyone only uses it for IMs.    Voice is still done through the desk phones.
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by:djjackfrwmml
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Our issue is that we want to be able to use phone for the audio and we want to have a bank of numbers to pull from so that we can have several meetings at once.  We just don't know the best way to do that.  How did you set it up to use Dial-in without using your own phone lines?
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by:MikeKane
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>> How did you set it up to use Dial-in without using your own phone lines?

When the meeting 'owner' joins the meeting, he can specify a custom "call me on this number" number.      Also, we can send out the number in the meeting's email announcement.  
There is no 'bank' of numbers that I am aware of.  
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by:djjackfrwmml
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That would work on one-to-one meetings, how do you do 1 presenter with 30 viewers and all wanting to get audio over the phone to participate in the conference? You said you do confence calling on a seperate system, how does that work?
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MikeKane earned 250 total points
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Right now we use a 3rd party bridge solution from ATT.    I'm in the middle of rolling out a SIP trunk to our CCM and enabling enterprise voice to a large group.   I'll be testing this out over the next few days.

There is a lot in LYNC that is very poorly documented. I have several question open myself both here and at technet with very little response.      

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by:djjackfrwmml
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I feel your pain brother!  I have even talked to microsoft and they don't always reach a consenus on what it does and doesn't support.  We have decided also to go with a SIP trunk as it also supports us if we go to Enterprise Voice!  Good luck with your continued rollout and thanks for the help!
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by:MikeKane
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The SIP trunk seems to be working well enough.   Worked for inside and remote users with surprisingly decent quality.      The Video conferencing is limited to 1 'presenter' and many listeners so there is no 'brady bunch' type screen for a group conference....  

FYI, I also tried out cisco CUCIMOC for Lync.    This works to integrate the desk phone extension with Lync client and this seems to work ok as well right into the CUCM.    However it does require a bit of setup per user and it requires a VPN into the HQ in order to register to the CUCM like another softphone (unless you allow outside phones to register which I don't do).

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Good to know, I am anxious to get in there and get this going.  Thanks again for the help!
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