IP Telephony and Phones

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We had a site that moved from a San Francisco area code (415) to an Oakland (510) area code. The DID's were ported over to the new office location. In CER, the ELIN's did not change. In Intrado the 415 ELIN's are listed and show the correct county th...

Not sure under which category should I post this for best match so I am posting it underCisco Community Technology and Support Collaboration, Voice and Video IP Telephony and Phonesand will be posting under :Cisco Community Technology and Support Col...

bhuarora by Beginner
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hello all, I need your help please . I have a cucm 12.5 installed with cisco Ip phones 7821 and 8851.My costomer would like when the IP phone who make the transfer  with another IP phone can  retrieve the call if has no answer after the call transfer...

akram.root by Enthusiast
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I have a company 844-xxx-xxxx call line that is getting "your call is not able to be completed as dialed message, please check the number and try your call again". This is from external and internal company calls. May I please have some help with tro...

We need information whether 7800/8800 series phones generate a feedback signal defined in the descriptors of the USB standard as Usage (Off-Hook) 09 17??Can anyone help to find this information?

znajc by Beginner
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