What is Choose Your Own Provider?
Essentially, Choose Your Own Provider (CYOP) is the same as Bring Your Own Provider (BYOP). If there is a difference, it lies in the circumstances and is a question of symantics more than anything. If we were to define Choose Your Own Provider, it would be BYOP but rather than bringing an existing voice provider with you when choosing you new phone system, it would be to choose a completely different voice provider to compliment your new phone system. A scenario where this is common practice is when switching from legacy ISDN voice services to SIP services and therefore also having to simultaneously change your phone system provider.