Cisco Cube ISR to IP Office Cisco Cube ISR to IP Office makemetrend (TechnicalUser) (OP) 6 May 20 02:24 Is it possible to have a SIP Trunk connection between the Cisco cube and IP Office? Is it much like CUCM to IP Office configuration? RE: Cisco Cube ISR to IP Office makemetrend (TechnicalUser) (OP) 7 May 20 02:25 THread Up! RE: Cisco Cube ISR to IP Office Shaun E (IS/IT--Management) 7 May 20 02:43 Yes it is, but the CUBE is IOS based - so the configuration is different than CUCM. RE: Cisco Cube ISR to IP Office jb3141592 (Systems Engineer) 17 May 20 20:04 Hi makemetrend, Sorry, but this is going to be as helpful as the last answer (not very). Get in a CUCM Express if you have the budget - just ditch the Avaya! Even replacing it with FreePBX/Astrix or anything would be easier. J RE: Cisco Cube ISR to IP Office divemaster1980 (IS/IT--Management) 4 Jun 20 04:34 Actually the config for the CUBE is easier than you think. I have done this multiple times, I have 2 SIP providers that I have this working through. One requires registration of the sip trunk the other does not. Both configs of the CUBE are similar biggest difference being the registration of the SIP trunk vs no registration requirements. Let me know if you need help with the configs for the cube and the IPO.