IP Telephony and Phones

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We have quite a few SX20's deployed, and updating them manually has proven to be quite a challenge.My question is, if we install the upgrade-specific COP file to the CUCM cluster, do we absolutely have to reboot the cluster in order to proceed with u...

Paul McGurn by Frequent Contributor
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 Hi there,I would like to know if I implement a 10 channel using a E1 ISDN service, what will be the interface number for the D channel. For example if I implement a full E1 ISDN, the D channel is normally on Serial0:0:15 Thanks Guys

 I have a report in cucm that i have created where i can see the extention,device name and if it has a forward on , where it is forwarded. I have done this by going to bulk administration -> phone ->export phones -> specific details. I would to have ...

dorelp777 by Beginner
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Hi Experts, I need to disable a single DSP on a 2811 router. C2811_CC#show voice dsp detailed  DSP  DSP             DSPWARE CURR  BOOT                         PAK     TX/RXTYPE NUM CH CODEC    VERSION STATE STATE   RST AI VOICEPORT TS ABORT  PACK COU...

Cisco Business Edition 6000 - Telepresence Room System User license when it required ,i am confused without this licenses i cannot able to register to CUCM? mean while i required telepresence room based endpoint  single or multiscreen license?advice ...