[sr-dev] how to get the correct dispacther value

[vinod mn]

Hi
I am using kamailio 4.4.2 for load-balancing

 modparam("dispatcher", "dst_avp", "$avp(dsdst)")

$avp(dsdst) getting proper dispathcer value.
But  this value is null in request_route under iif (is_method("CANCEL")){ }

How to get the correct dispatcher value for a particular call
-- 
Thanks and regards
Vinod.M.N
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