[SR-Users] Retrieve last via IP from SIP MEssage

[Adarsh Chauhan]

Hi All,

I have tried couple of methods to retrieve last via IP of SIP message but failed to retrieve it, trying to retrieve the source

- @hf_value.via[-1].host,
it simply prints the exact text back @hf_value.via[-1].host

- $sel(@hf_value.via[-1])
it doest give the IP but the entire via value
SIP/2.0/TCP 172.31.30.144;branch=z9hG4bKf8bd.753341d2000000000000000000000000.0.host

@via[-1].host
it also simply prints the exact text back @via[-1].host

Regards,
Adarsh Chauha
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