IP Telephony and Phones

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I recently found a functioning ESW520 switch powering a few VOIP phones for a small site and wish to replace it but I am out of my league with this one.  Does anyone have any recommendation on what to use to replace it with?  I have a few layer2/3 sw...

HelloI do not know much about Cisco phones our licensing but I purchased a used DX650 phone and was hoping I could just use it by putting in SIP settings from a sip provider but there is no option.  I also tried to access the phone through its local ...

jacob2071 by Beginner
  • 2 replies
  • 0 Helpful votes

when webex calls a 8865 ip phone using the video address as the email address of the enduser, it rings on her phone, but each time when she tries to answer, the phone gets unregistered,  this does not happen on other calls, will be thankful for advis...

mmshaik by Beginner
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Hi Guys,   My Customer that any IP Phone 8851 that is resenting sponteanously (default version 11-7-1-17). I verify in the logs and appear the message VPT not configured     Status Message    [17:08:29 15-01-18] SEP706xxxxxxxxx.cnf.xml.sgn(HTTP)  [17...

wilsonsant by Frequent Contributor
  • 19 replies
  • 0 Helpful votes

hello, We purchased cisco wireless headset 561, but we don't get incoming ring on wireless headset. Looked in forum, there were couple of posts which says its bug which is supposedly not fixed yet. we can hear caller when we connect but need incoming...

Hello I have a new SIP service with Vodafone in Italy and am struggling to configure my CUBE correctly. Does anyone have a working configuration I can use as a template please? I have attached the Vodafone doc for reference. Thanks Mark