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OCS and Voice; It's a PBX, isn't it?
Dual Forking with RCC
Dual Forking with Remote Call Control
Office Communications Server
Office Communications Server 2007
Browse by Tags
Differences between TDM PBX-Hybrid PBX-IP PBX
In the context of OCS 2007 voice deployments it is essential to understand the fundamentals of existing corporate telephone systems. This article describes on a high-level how a TDM (Time Division Multiplexing) PBX, a Hybrid PBX and an IP PBX look like. TDM PBX architecture A TDM PBX is still the...
21 Aug 2008
Analog Gateways connected to OCS 2007
Depending on the country where OCS 2007 Enterprise Voice will be deployed, it might become necessary to connect analog Gateways to OCS 2007 Mediation Server. If there is no way to avoid this, a Gateway should be chosen that has been certified for OCS 2007 ( http://technet.microsoft.com/en-us/office/bb735838...
3 Sep 2008
Voice scenarios with OCS 2007
Office Communications Server (OCS) 2007 offers multiple voice scenarios that are not necessarily easily understandable just by their names. However, it is essential to understand the different “flavors” of OCS voice in order to determine the best voice integration option for the specific customer environment...
30 Jul 2008
OCS 2007 dialplan using non-DID numbers
In a previous blog article OCS 2007 dialplan fundamentals I have excluded the complexity around non-DID (Direct Inward Dialing) numbers for syntactic reasons. In this blog article I will describe how to handle non-DID numbers in an OCS 2007 dialplan. A non-DID number is a phone number, that cannot...
19 Aug 2008
Why Location Profile on OCS 2007 Mediation Server?
In my last blog article OCS 2007 Dialplan fundamentals I have explained that we need Location Profiles in order to maintain the users dialing behavior before the OCS installation. A Location Profile is a set of regular expressions that will be applied on a called party number that is not in +<E.164>...
18 Aug 2008
Migrating large TDM PBX systems to VoIP solutions
This article describes aspects of the migration process from a TDM (Time Division Multiplexing) PBX to a VoIP solution like Office Communications Server. TDM to VoIP migration using PRI tie lines A large enterprise TDM PBX consists of one or multiple PBX nodes. All endpoints (mostly PBX phones...
31 Oct 2008
OCS 2007 German dialplan example
This blog article presents and explains an OCS 2007 Dialplan that has been created for the location Germany (Country code +49) Cologne (Area code 221). In this example the company has a local subscriber number 000 and a 4 digit extension range. We assume that there is only one OCS 2007 Mediation Server...
27 Aug 2008
OCS 2007 Dialplan fundamentals
I have noticed that many people, in particular those who have a telephony background or were working with common IP PBX solutions, try to match their gained dialplan know how, that they acquired over the last couple of years with many, many PBX/IP PBX projects, on OCS 2007. While there are few similarities...
15 Aug 2008
OCS2007 Telephony integration options overview
This blog article shows integration options of OCS installations with existing telephony environments from a high-level perspective. An OCS 2007 voice deployment in a corporate environment typically starts with a pilot installation. Within this pilot installation, a handful of users, users of an entire...
25 Aug 2008
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