[SR-Users] Consuming 300 Multiple Choices

[Geoffrey Mina]

Greetings,
I am looking for a way to get some extra information out of the Contact
header when consuming a multiple choices response.  I am using uac_redirect
to populate the branches.

get_redirects("*");
t_load_contacts();
t_next_contacts();

t_on_failure("2");
t_relay();


In my failure_route[2] I am just doing:

t_next_contacts();
t_on_failure("2");
t_relay();

In my Multiple Choices packet, I am getting some additional information
that I would like to log using the acc module.  There is a "rate" attribute
that defines how much the outbound leg is going to cost to terminate.  Here
is how the packet looks:

SIP/2.0 300 Multiple Choices
Via: SIP/2.0/UDP X.X.X.X;branch=z9hG4bK6213.a6567804.0
Via: SIP/2.0/UDP X.X.X.X;branch=z9hG4bK6213.a6c73fe6.0
Via: SIP/2.0/UDP
X.X.X.X:5060;received=X.X.X.X;branch=z9hG4bK61f266c4;rport=5060
Contact: <sip:9546496708 at X.X.X.X;npdi>;q=0.001;rate=0.002000
Contact: <sip:9546496708 at X.X.X.X;npdi>;q=0.002;rate=0.009850
Contact: <sip:9546496708 at X.X.X.X;npdi>;q=0.003;rate=0.009850
Contact: <sip:9546496708 at X.X.X.X;npdi>;q=0.004;rate=0.009850
Contact: <sip:9546496708 at X.X.X.X;npdi>;q=0.005;rate=0.009850
Contact: <sip:9546496708 at X.X.X.X;npdi>;q=0.006;rate=0.009850
To: <sip:19546496708 at X.X.X.X>
From: "7203355925" <sip:7203355925 at X.X.X.X>;tag=as5927da08
Call-ID: 3eb09e772e32e18c1fe926230802818c at X.X.X.X
CSeq: 102 INVITE
Server: Routing Server
Content-Length: 0

How would I grab that attribute and log it using acc?

Thanks,
Geoff
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