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Cisco 5505 ASDM configuration

I received a call to modify some rules to allow 3 or 4 ports IN to the call processor from the remote phones.  I'm assuming it will also need the same ports OUT as well.  The problem is that I do not khow to configure this on the Cisco 5505 ASDM.  This is supposed to be a url based configuration.

Can you show me the steps needed to be able to do this.  I'm new to the ASA 5505.  Also, is there a new I can telnet into the device?  I was told by another collegue that this feature is not enabled on the ASA, so how can I allow for this to happen on the ASDM?
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Part 1, how to allow the ports inbound....    
The inbound access will be controlled via an access-list that is applied to the outside interface.     If you look at your config, you will see an ACCESS-GROUP command for IN INTERFACE OUTSIDE.     The ACL that is references is the ACL that controlls inbound access.  You will need to edit this ACL to allow for the new ports.    

Telnet and/or SSH to the device may or may not be enabled.    If you have access to the ASDM, look in CONFIGURATION - MANAGEMENT ACCESS - ASDM/HTTPS/Telnet/SSH...  you should see an overview of the access here.  

If you need help with the ACL, just post the sanitized config here and let me know the ports you want opened.
OCwaste2Author Commented:
I want to allow all connections coming in that are from my external ip phones...total of two.  I want to test it out because I have two VOIP phones externally from a remote site and want to allow it to come in to the network.  I basically need to allow all the connections from VOIP to come in.
The external phones, are these on a vpn?   Internal VPN in the phone os?      If these are SIP phones, its probably a very bad idea to open up your Server to receive SIP registration requests from the public net.    

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