[SIPForum-discussion] Require Header Field In SIP

[Bilal Ahmed]

Hi,

1.I am having a problem with my SIP server which is continuously sending the
value of Timer in Require header field as *Require:Timer; *in 200 OK
messages after call establishment. Is there any way we can figure out which
timer is exactly required by the SIP server(Any relevant RFCs?) I have
attached the wireshark dump(Kindly enable a filter on SIP messages)

2.Moreover its a breakout SIP call from an IMS network to GSM subscriber via
a third party MGCF(our SIP server), call continues for 14 secs exaclty and
then drops by reception of CANCEL message from IMS BGCF to our SIP server
and what i am suspecting is that IMS BCGF issues CANCEL when it cannot
fulfull *Require:Timer *from SIP server. Can anyone confirm this as well in
attached wireshark dump?

Thanks in advance,

-- 
Regards,
Bilal Ahmed
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