UC Collabing – A blog on VoIP, Cisco, CUCM, CUC, UCCX, IM&P, Gateways, SME, Asterisk, Mediasense, WebEx, Lync, Skype for Business, IP Telephony, Voicemail, IVR, VMWare, SIP, H.323, MGCP, SCCP, ISDN, E1, T1, PRI.

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DOT/TRAI Regulations in India – OSP

DoT / TRAI / OSP – VoIP PSTN Regulations in India It’s been quite a long time since my last post. Today i am writing topic related to DoT/TRAI and OSP. The information present on this article may not be 100% accurate and this is

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Migrating ITL files between CUCM Clusters

Migrating ITL files between CUCM Clusters When migrating IP Phones from CUCM version 8 on wards to a newer version, you may encounter IP Phones registration issues because of security feature which uses ITL (Initial Trust List) files.  This will not allow you to register

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Installing CUCM TSP Wave Driver

Installing CUCM TSP Wave Driver Recently i was facing some issue in Cisco Unified Attendant Console and i had to uninstall “Cisco Unified Communications Manager TSP Wave Driver” and install it again. I follow the below procedure. To uninstall TSP Wave Driver – Login to

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Configuring Device Mobility Group CUCM

Configuring Device Mobility Group CUCM Cisco Unified Communications Manager helps to identify if a Phone is at it’s Home Location or Roaming Location. This can be identified by using a feature in CUCM which is called as Device Mobility. It helps user to roam between

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Cisco Time of Day Call Routing CUCM

Cisco Time of Day Call Routing CUCM Time of Day Call Routing in Cisco Unified Communication Manager (CUCM) is design to route calls based on the time of day or day of week or month. It can be designed and configured in such a way that

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Configuring an External Billing Server on CUCM

Configuring an External Billing Server on CUCM Good Bye 2016 and Welcome 2017. May this new year bring joy, peace and happiness to you & your family. Today, we see how to Configure an External Billing Server on Cisco Unified Communications Manager. Overview The system can

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Switching between MGCP and SIP

I have come across a situation where i have to create a sip trunk to External Contact center in the existing MGCP gateway.I have created basic SIP configurations and dial peers to CX. However when a make a incoming test call it isn’t hitting any

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Modifying License Mac on CUCM/CUC/UCCX/

Modify License MAC on CUCM, CUC or UCCX Do you want to modify the license mac for your Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC) or UCCX? Here is the procedure to modify the license mac. First and the foremost, you need to