Cisco Proxy Phone no longer works with Cisco Linksys E1200

I have an internal customer who purchased a Cisco Linksys E1200 router to replace his old one and now his Cisco Proxy Phone can not regisister to the the Call Manager (via ASA).  
I suspect some default security setting is messing this up.  Anyone know what all needs to be permitted outbound for this to work?
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amigan_99Network EngineerAsked:
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amigan_99Connect With a Mentor Network EngineerAuthor Commented:
I sent out a new proxy phone and this resolved the issue.  Not sure why the old one stopped working when moved from one office to the new one.
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Matt VCommented:
Is the router behind the ASA?  Have they opened the required ports on the router to allow the communication?

I would assume some port forwarding would be required as well.
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amigan_99Network EngineerAuthor Commented:
Sometimes IT is just about keeping the customers productive.
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