IP Telephony and Phones

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Hello,We have upgraded our CUCM cluster from 8.5 to 8.6 on UCS (VMWARE).When I look at the VMWare disks I see the following:Publisher:1x 80 GB disk Subscriber:2x 80GB diskSubscriber:2x 80GB diskIt looks like the refresh upgrade has coused an issue on...

mthijssen by Level 1
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  • 1 replies
  • 0 Helpful votes

I have a quick question (hopefully) regarding an ATA 187 and secondary DTMF tones. Our issue deals with a new ATA 187 (SIP) and calls placed from the device into MeetingPlace Express or AT&T Teleconferencing Systems. We are able to dial the number to...

fultont by Level 1
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  • 1 replies
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I have a cisco 2851 switch where my 8 telephone lines (RJ-11) comes into it and it converts them into IP (RG-45) goes outNow I have a fiber optic cable from the ministry of communication where my phone lines are configured, how can I convert the fibe...

mrashed88 by Level 1
  • 508 Views
  • 3 replies
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Does the Cisco 2851 router accept a LC connector?The one I got only have RG-11 connectors where I input the phone lines from the ministry into it and then output them as RG-45 ethernet cables to my IP Phones.As now the ministry is providing fiber opt...

mrashed88 by Level 1
  • 267 Views
  • 1 replies
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Hi all,This is my first question in this forum, so please don't be to hard on me :-):I have installed two new DHCP servers in our German branch. My laptops are using the new server like they should (if I disable the old DHCP server service, they conn...

I have a 7961 over a DMVPN tunnel and I have factory reset the phone.  It now will not upgrade.  I'm on a distant site and the call manager can see the MAC addy of the set.  My question is this:  The tunnel is very unstable, going down multiple times...

nstreun10 by Level 1
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  • 0 replies
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Hello, I am learning the basics of SIP.I have configured CME with an outgoing dial peer as follows:dial-peer voice 1 pots destination-pattern 0[2-9]....... session protocol sipv2 session target dns:xxxxxxxxx voice-class codec 1  no vad!Everything is...

fran19422 by Level 1
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  • 5 replies
  • 0 Helpful votes