[cisco-voip] Outbound Calls from OCS to Cisco IP Phone

Mon Nov 29 12:17:34 EST 2010

http://nathanwinters.co.uk/2010/09/28/can-lync-send-audiomedia-direct-to-the-pstn-using-g-711/ is an article I have found on this subject re: the need for the mediation server.

Thanks,

James Buchanan | Technology Manager, UC | South Region | Presidio Networked Solutions
12 Cadillac Dr, Suite 130, Brentwood, TN 37027 | jbuchanan at presidio.com<mailto:jbuchanan at ctiusa.com>
D: 615-866-5729 | F: 615-866-5781 | www.presidio.com<http://www.presidio.com/>
CCIE #25863, Voice

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ahmed Maher
Sent: Monday, November 29, 2010 11:00 AM
To: 'Ahmed Elnagar'; 'Bill'; 'Sechaba Mokoena'
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone

Do u have MTP Checked in the SIP Trunk and what is the preferred codec for MTP?

Best Regards,

   [cid:image001.jpg at 01CB8FB7.054B28F0]

       Ahmed Maher
Networking Team Leader               CONNECT  Professional Services
          CCIE #23844                           Bldg. 1A Maadi Star Towers, Cornish El Maadi,
[cid:image003.jpg at 01CB8FB7.054B28F0][cid:image008.jpg at 01CB8FB7.054B28F0]             Cairo, Egypt
                                                             Phone:  (+202) 25 27 09 30          Ext.: 113
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                                                             Email: ahmed.maher at connectps.com<mailto:ahmed.maher at connectps.com>
                                                             Website: www.connectps.com<http://www.connectps.com/>

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ahmed Elnagar
Sent: Monday, November 01, 2010 4:19 PM
To: Bill; Sechaba Mokoena
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone

Yes it was a session for an intro to Lync...maybe I will review the recorded session again if you got the information from  a solid source "maybe I miss-understand something in the session".

 Best Regards;
  Ahmed Elnagar
  Senior Network PS Engineer
  Mob: +2019-0016211
  CCIE#24697 (Voice)
 [cid:image009.jpg at 01CB8FB7.054B28F0]

From: Bill [mailto:bill at hitechconnection.net]
Sent: Monday, November 01, 2010 4:13 PM
To: Ahmed Elnagar; 'Sechaba Mokoena'
Cc: cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone

What version are you talking about? 2010 / Lync can use G.711 without a mediation server.

________________________________
From: Ahmed Elnagar [mailto:ahmed_elnagar at rayacorp.com]
Sent: Monday, November 01, 2010 9:14 AM
To: Bill; Sechaba Mokoena
Cc: cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone

This is new to me really...I had the below statement from a MS consultant "their only supported codec is RT-Audio and you need a mediation server whenever you need to integrate OCS with the outside world!!!"

 Best Regards;
  Ahmed Elnagar
  Senior Network PS Engineer
  Mob: +2019-0016211
  CCIE#24697 (Voice)
 [cid:image009.jpg at 01CB8FB7.054B28F0]

From: Bill [mailto:bill at hitechconnection.net]
Sent: Monday, November 01, 2010 3:52 PM
To: Ahmed Elnagar; 'Sechaba Mokoena'
Cc: cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone

The MOC clients can communicate using G.711 without the need of a mediation server but you have to configure them to do so.

________________________________
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ahmed Elnagar
Sent: Monday, November 01, 2010 8:42 AM
To: Sechaba Mokoena
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone

I think you will need a MS mediation server "as per Microsoft design" in order to convert their codec "RT-Audio" to a codec that Cisco infrastructure can understand.

 Best Regards;
  Ahmed Elnagar
  Senior Network PS Engineer
  Mob: +2019-0016211
  CCIE#24697 (Voice)
 [cid:image009.jpg at 01CB8FB7.054B28F0]

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Sechaba Mokoena
Sent: Monday, November 01, 2010 3:11 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Outbound Calls from OCS to Cisco IP Phone

Hi,

We're in the middle of a Microsoft OCS POC integrated with UCM 8.0. I can make internal and external calls from OCS using UCM as my gateway, but calls are dropped as soon as they're answered. Has anyone out there come across a similar problem.

Kind regards,

Sechaba Mokoena

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Disclaimer: NOTICE The information contained in this message is confidential and is intended for the addressee(s) only. If you have received this message in error or there are any problems please notify the originator immediately. The unauthorized use, disclosure, copying or alteration of this message is strictly forbidden. Raya will not be liable for direct, special, indirect or consequential damages arising from alteration of the contents of this message by a third party or as a result of any malicious code or virus being passed on. Views expressed in this communication are not necessarily those of Raya.If you have received this message in error, please notify the sender immediately by email, facsimile or telephone and return and/or destroy the original message.
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