Migrating to new CUCM on UCS Question about Telephony like routing protocol
Currently i have a 2 7845 Cluster CUCM 7.1.5 with 1500 users and i upgrading to a new CUCM 8.6 on UCS, however as i am also changing phones and some other client realte issues i need to migrate each user at a time, in other words
I remove User 1 DN 1000 in "old" cucm to new CUCM 8.6 and create a route pattern on the "old" cucm to point to the sip trunk to my new CUCM for hat user.
Is there some king of protocol (like eigrp) so both CUCM are aware of their DN and not creating router patterns for each user?
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
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