IP Telephony and Phones

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Hi, We have 9951 phone that is disconnecting calls while talking. We have tried changing network cables, changed the switch to which the phone is connected and changed the replaced the phone with a new one, but still the problem remains.Any help to r...

Hello  ;                     I have some endpoints registered with CUCM 9.1 without licenes , i am getting Licenses violation error on CUCM page , what will be happened after 60 days ?all  running services will  stop ?  if services will stop can i de...

kingvoice by Level 1
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Dears,7942 phones gets registered on CME 9.1 but missing files as per the attached.i have not extract complete CME pack in the router i have downloaded the pack (cme-152-4Mv1 ) from cisco website only for upgrading 3905 loads these are working fine b...

Hi team, We have purchased a Cisco 2921 router for Call manager express. For installing Cisco Unity express, we have installed an ISM-SRE-300-K9 module on the Cisco 2921 (motherboard). I have read Cisco documentation and some blogs regarding configur...

I'm trying configuring ATA 187 with CME (IOS:c2900-universalk9-mz.SPA.152-2.T1.bin)The first port works perfectly, but the second port isn't able to registered.Any idea?This is my conf:sip  registrar server expires max 1200 min 300!voice register glo...

bagnolini by Level 1
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I currently have a single voice gateway which is a 2821 ISR serving four PRIs. I'd like to make this redundant. I do have the CUCM redundancy/failover set up, but nothing for my 2821 voice gateway. I was thinking a T1 failover switch with the PRIs fr...