Look at RFC 3623.
Cofigure two SRV entries in your DNS, one pointing to the UAS SERver and another to the UK server. "Compliant" UAs will try to contact the other proxy upon failure of their current one.

Samuel.

2006/7/5, Ritesh Jalan <ritesh.j@net4.in>:
Hi All
 
Pls. guide me how can we implement failover on SIP Server located globally, Like one server in USA another in UK.
 
 
 
Ritesh Jalan
Mobile: 91-9818616329
MSN: ritesh_jalan@hotmail.com

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