IP Telephony and Phones

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Our setup was done by a vendor and worked well. All of the sudden 911 calling stopped working. We get an immediate busy signal. I talked with our telco provider and they tell me they can't replicate it so it must be our equipment. I am looking for tr...

When i got my 2901 voice router i deleted all the files off it that i thought could have to older configurations from the previous owner but that included all the ringtones and the two xml files that are apparently needed RingList.xml and DESTINCTIVE...

Hi all,Hope someone out there knows of a product that can help.Looking to control some devices VIA dry contacts. Looking for a device that can accept SIP calls and has a dry contact relay.Preferably has more than 1 relay so i can dial *1 to control d...

Hello,   I'm having some issues with the "unlocated phones" report from CER v11.5.4.50000-6.  I have many phones in the report with the status of "Switchport Configuration" under the "Why this ERL is used?" column.  Problem is that all the phones lis...

p-blalock by Level 1
  • 2 replies
  • 0 Helpful votes

in Unity 12.5 CLI, I run a license smart reservation return and get the following.  Error occured while processing request :com.retrogui.dualrpc.common.CallException: <remote_exception><sessionid>5440245</sessionid><class>java.lang.NullPointerExcepti...

lb123 by Level 1
  • 4 replies
  • 0 Helpful votes

Dears,This is a CUCM environment version 11.5 and we're planning to upgrade to version 12.5. After Firmware upgrades, we have faced the following issues:Following IP Phones Firmware Upgrade from sip8845_65.10-3-2-16 to sip8845_65.12-5-1SR3-74, 2 phon...