IP Telephony and Phones

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Hello Community, We are running CUBE and UCM 10.5.1 for some time now for all voice and are having problems migrating our fax services from TDM/PRI's to SIP.  Verizon does not support T.38 re-invite and we use G.729 as our preferred voice codec. Does...

Hi all, I am going to change IP phone agent phone services URL IP. After changing IP,  If I click on Update Subscription will it impact anything? will it restated all the phone because enterprise subscription has been enabled on our cluster. please...

Hey  I wan upgrade the firmware of  Cisco 8831 ip phone through Peer firmware sharing  option , but i am unable to find this option at phone Conf Page like other phones 7821 in CUCM 9.1 Version  Please let me know how can i upgrade the firmware by us...

Revnike01 by Level 1
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  • 0 Helpful votes

Hi, I have a customer who cannot call mobile/cell phone numbers beginning with 073. He is using the international dial plan for the UK but is on a Windows platform. My questions is: is there a recent UK IDP to cater for this? I have looked on CCO and...