Hello Experts,  Would like to seek your assistance on understanding the attached SIP Logs. We are currently experiencing SIP 503 Service Unavailable response from the cube when the client PABX is using a certain Calling Party number. For isolation We...

Hello Experts, Good Day! Would like to ask for your opinion on what could be the cause of the issue we encountered. To give you an overview, client have contact center (UCCX) and agents phones are Jabber via MRA. Recently we have encountered issue th...

Hello, We are experiencing SIP outbound call issue wherein cube sends SIP invites to Telco but no response from them. As per Telco they didn't received any SIP invites from us. The same with the inbound call, we didn't received any invites from them....

Dear All,  Would like to know if there is a existing guide or documentation for enabling Flexible Jabber ID on CUCM version 12.5 since the jabber-config.xml is now different on the 12.5  Thanks,   

Hello Experts,Would like to ask your expertise on CUCM Telco SIP integration (w/o CUBE). Currently we are experiencing issue on incoming calls which is working previously. Upon comparing SIP debug of the working and not-working I noticed the change o...