If you are in the process of preparing for the CCIE lab, you will be interested and very happy to see this! A terrible “feature” finally put… Read more “ISR G2 PVDM3 Video Conferencing Deprecated”
Month: March 2016
Understanding and Troubleshooting CUCM CDR and CAR
CDR is not my favourite topic, but yes they are important and people make a lot of noise when things go wrong. CAR can be a great tool… Read more “Understanding and Troubleshooting CUCM CDR and CAR”
CUBE SIP Profiles – Normalizing Incorrect RURI/To Headers using Diversion
Had a strange requirement today. Needed to replicate a behaviour that is apparently quiet common on Asterisk, but haven’t seen it before myself. Our ITSP implemented a… Read more “CUBE SIP Profiles – Normalizing Incorrect RURI/To Headers using Diversion”
Incorrect SIP Realm – CUBE Not Responding to 401 Unauthorized
Had an issue today where we had to migrate a client as our ITSP migrated the client to a different SBC platforms. After re-pointing, the SIP Trunk was failing… Read more “Incorrect SIP Realm – CUBE Not Responding to 401 Unauthorized”
Prime Collaboration Provisioning Business Rules
Prime Collaboration Provision has an excellent centralized management of a set of “Business Rules” that really identify a level of system configuration that can be applied to… Read more “Prime Collaboration Provisioning Business Rules”
Troubleshooting DTMF from ISDN PSTN
Sometimes we unfortunately still have legacy requirements to support ISDN that still need to upgrade to SIP Trunking. DTMF and even fax tones can be a pain… Read more “Troubleshooting DTMF from ISDN PSTN”
afterthenumber 