IP Telephony and Phones

Hi, I have Cisco 8861 phone, how to configure this for Asterisk: Load: - sip88xx.11-7-1-17   Regards, Arun Mistry

Dears,    My cisco  gateway is not allowing a call from astriesk FPBX to pass to PSTN due to:   SIP/2.0 400 Bad Request - 'Malformed/Missing '   Although the first invite looks good to me, It sends a 100 trying then a 500 internal error,then SIP/2.0 ...

Hi Guys   Pls Find Attachment   Cisco 9971 unable to register to CUCM 10.5.2.10000-5 , status = rejected   Download status Upgrading   Thanks all    

Hi,  we have the following scenario: - Remote site CME 10.5SIP phones / SCCP phones - Main Office CUCM 11.5SIP phones / SCCP phones   - Remote office connect to Main office by VPN - In the Main office there was a CME but was replace by the current CU...

Hi guys, we are getting spam calls from outside with caller id from our pool. So phone numbers were spoofed ... What steps can be done to prevent /block this callers? 

Hi, I've got a question about how multiple clusters associated with the same Smart Account and Virtual Account, share licences, particularly if licensing goes into non-compliance.  For example if two clusters are assigned to the same SA/VA, then addi...

Hi All I need to enable the Audio Encryption between IP Phones in the CUCM 11.5. Who knows the step by step to enable this feature in CUCM 11.5? The license was installed , LIC-UC-ENC UC Encryption License.   TIACristian    

I have two SIP links configured on Voice gateway router from the same service providers to have redundancy.  Also I have configured SIP trunk between CUCM and Voice gateway with that two CE IP addresses. Outbound Calls are working fine through primar...

 Hello Everyone, We recently migrated our CUCM 10.5 VM from a BE7000 server to a HyperFlex cluster. The CUCM VM was fully licensed and was working without issue before the migration. Now the CUCM VM license status shows that the system is using an ex...

I can ping the phone IP address, but browsing the phone IP is not working. it looks like web access is disabled by default. if this is the case ( web access is disabled) I wonder if this type of phones can only be managed with management software, so...

Hello together,   we will use in our company more and more Jabber instead of desk phones.   Now we miss some feature or have trouble with Jabber.   The most of the time our user ask us for a call back function. We know that you can get a message when...