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Which Telephony Connector should I choose?

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Circuit Telephony Connectors can be deployed as Hosted Universal Telephony Connector, Premise Universal Telephony Connector, Advanced Telephony Connector or OpenScape Business Telephony Connector.

All types of Telephony Connectors are available via our monthly packages “Professional” and “Enterprise”. UTC and ATC are also, available, at the time-limited Field Trials. Service Provides can also request and get custom packages with the Telephony integration.

In order to best choose the most suitable deployment please read the following feature description.

Advanced Telephony Connector (ATC)

The Advanced Telephony Connector solution is the most suitable for large enterprises. It has a tight integration with Unify PBX, for best user acceptance and consistent feature set.

Circuit registers as SIP party on the voice platform’s ONS. This latter service allows for controlling device availability and provides support for pushing or pulling a call between various devices.

ATC offers a remote control (CTI) of the desk phone in the Circuit client, allowing you to dial, accept, reject, transfer, hold or resume, alternate, send DTMF, merge (conference), forward or hand over a call. You can pull a call from other Circuit clients or the desk phone, as well as push a call to the desk phone or another phone (e.g., mobile phone).

The Advanced Telephony Connector:

  • provides deep integration targeting Unify voice platforms

  • works with the latest versions of OpenScape platform: OpenScape Voice (V8R1 or later) and OpenScape 4000 (V7R2 or later)

  • allows to use Circuit as an OpenScape platform soft client

  • allows to use your existing OpenScape phone number

  • allows to make and receive phone calls via Circuit;

  • allows to route the incoming phone calls to the Circuit clients, desk phone, or your mobile phone, depending on the device status and availability

  • device presence based on the ONS (Circuit and desk phone)

  • offers the following Call Control features:

    • Dial

    • Accept, reject, drop a call

    • DTMF
    • Hold and retrieve
    • Mute/Unmute (this is only available when Circuit is used as a soft phone)
    • Blind Transfer
    • Consultation Call, Warm Transfer, Alternate
    • Accept a second call
  • offers the following features to support desk phone usage with remote control (CTI/3rd Party Call Control):

    • Accept a second incoming call

    • Consultation Call, Warm Transfer, Alternate
    • Merge two calls to a conference on the PBX.
  • allows to move a call to or from other Circuit clients, the desk phone, mobile phone (i.e., 3rd Party Call Control)

  • allows to forward a call (to the mobile phone or other Alternative number)

  • allows all Circuit phone calls to be listed in your phone call conversation

  • offers conferencing and voicemail features.

OpenScape Business Telephony Connector

The OpenScape Business Telephony Connector solution is the most suitable for small and medium sized enterprises that already use OpenScape Business v2 for Unified Communication and Collaboration.

With the OpenScape Business Telephony Connector, a very simple connection to the Circuit cloud is available: a dynamic SIP trunk registration. This requires a Circuit domain specific API key (or Token) to be entered in the Web Based Administration (WBM) of the OpenScape Business. This API key can be obtained in self service from the Circuit domain administration so that the connector can be setup in few minutes.

The OpenScape Business Telephony Connector:

  • allows for low effort Circuit Telephony setup

  • makes use of Circuit Cloud Nodes (hUTC) and load on the OpenScape Business is, thus, avoided
  • provides Circuit Telephony user maintenance from the OpenScape Business WBM

  • allows preserving existing phone number with ONS support

  • offers dual ringing via its ONS support.

  • allows to move calls between Circuit clients

  • allows all phone calls to be listed in your phone call conversation

  • allows to make and receive phone calls via Circuit; to make a phone call via Circuit your can either:
    • search in the global search entry field or otherwise select a contact and dial from a contact's profile

    • create a new phone call which is opening the special phone call conversation where the user can search for a contact or enter a phone number

      If you have Circuit for Outlook installed, you are able to access the phone numbers stored in your Outlook Personal Address Book or in the Exchange Global Address Book from within the phone call conversation.

    • use the phone call conversation (call journal) to call back a caller or retry to call a person

    • while a conference is executed, you may want to add a person who can be called on their phone (meeting outcall)

  • allows the incoming phone calls to be routed by OpenScape Business to Circuit, to the devices or both

  • offers Call Control features such as:

    • Dial

    • Accept, reject, drop a call

    • DTMF
    • Mute/Unmute
  • offers conferencing features.

The OpenScape Business Telephony Connector requires no licence.

Universal Telephony Connector (UTC)

The Universal Telephony Connector solution is designed to support mainly 3rd party Voice platforms (VoIP or hybrid platforms that provide a generic SIP trunk as an interface). Its hUTC model allows low cost entry to Circuit telephony and no SIP registration on the platform.

Since it does not have solution dependency, it works with newer PBXs, as well as with the older PBXs, allowing integration with the SIP gateways, third party PBX SIP trunks, or even Cloud PBX SIP trunks.

The Universal Telephony Connector (hUTC or pUTC):

  • targets mainly customers with a 3rd party PBX;

  • connects to any phone system with generic SIP trunk

  • allows to use a new Circuit number in addition to your existing PBX number

  • allows to make and receive phone calls via Circuit; to make a phone call via Circuit your can either:
    • search in the global search entry field or otherwise select a contact and dial from a contact's profile

    • create a new phone call which is opening the special phone call conversation where the user can search for a contact or enter a phone number

      If you have Circuit for Outlook installed, you are able to access the phone numbers stored in your Outlook Personal Address Book or in the Exchange Global Address Book from within the phone call conversation.

    • use the phone call conversation (call journal) to call back a caller or retry to call a person

    • while a conference is executed, you may want to add a person who can be called on their phone (meeting outcall)

  • allows the incoming phone calls to be routed by PBX to Circuit, to the devices or both (if supported by the PBX)

  • offers Call Control features such as:

    • Dial

    • Accept, reject, drop a call

    • DTMF
    • Mute/Unmute
  • allows to move calls between Circuit clients

  • allows all phone calls to be listed in your phone call conversation

  • offers conferencing features.

The Universal Telephony Connector solution is suitable for small and medium-sized business. The on premise version is very recommended for more that 100 users in a site so that call quality and network usage are optimized.

The on premise installation of the Universal Telephony Connector requires specific OpenScape SBC licenses.

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