[cisco-voip] Registering external SIP phones on CUCM-7

[Matt Slaga (US)]

I would suggest configuring phoneproxy on an ASA.  This is exactly what the product was designed for.

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Oddiraju, Kiran @ London SMC
Sent: Thursday, June 25, 2009 1:21 PM
To: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Registering external SIP phones on CUCM-7

Any ideas guys???

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Oddiraju, Kiran @ London SMC
Sent: 24 June 2009 12:33
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Registering external SIP phones on CUCM-7

Guys,

I have a CUCM 7 server configured in a lab at work place that works fine with SIP phones (Cisco Ip Phones, Linksys & X-Lite). Now what I want to achieve is register a SIP phone at home with the CallManager at work and call the internal numbers. I have some spare public IP's from the ISP and have a Cisco 1800 router connected to the 2M SDSL line. Please can you let me know if this can be achieved, has anyone for a sample router config to allow SIP from outside and map external IP to an internal IP.

Many thanks,
Kiran



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