check sip

[dronord]

Hello.
I want add net.udp.service[sip] key
Here to place code?
1. /src/libs/zbxsysinfo/simple/sip.c and check_sip() in simple.c
2. /src/modules as plugin
3. your variant

It send ~350 bytes, need it in core?

OPTIONS sip:[email protected] SIP/2.0
Via: SIP/2.0/UDP pc33.atlanta.com;branch=z9hG4bKhjhs8ass877
Max-Forwards: 70
To: <sip:[email protected]>
From: Alice <sip:[email protected]>;tag=1928301774
Call-ID: a84b4c76e66710
CSeq: 63104 OPTIONS
Contact: <sip:[email protected]>
Accept: application/sdp
Content-Length: 0

New pull request arriving..