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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi folks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> I am trying to find out the methods supported by SER. I
am aware that SER is RFC-3261 compliant, but, do not know to what extent. If
someone can tell me what (in 3261) is supported and what is not, that would be
nice. Also, if SER supports any extensions (3262, 63, 64), please let me know.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>After some Googling, I found that the <b><span
style='font-weight:bold'>basic methods of SIP</span></b> are:<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>INVITE </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– to initiate a session<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>Re-INVITE </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– if, during a call,
either party wants to change the media; for example to open a video channel<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>ACK </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– to confirm session
establishment and can only be used with INVITE<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>BYE </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– terminates sessions<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>CANCEL </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– to cancel a pending
INVITE<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>OPTIONS </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– for capability inquiry<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>REGISTER </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– to bind a permanent
address to current location<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn;font-weight:bold'>The other
methods (found in extensions) of SIP are:<o:p></o:p></span></font></b></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>Other SIP method extensions
are defined in <b><span style='font-weight:bold'>different</span></b> RFCs such
as:<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>SUBSCRIBE </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– to subscribe to a
service state change. sed for presence (subscribe to an event and receive<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>notification), call-back (when
other party becomes vailable), voice mail notification, any event that can be<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>associated with a trigger
(e.g., stock quotes, etc.)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>NOTIFY </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– notify a change of
service state (e.g., new voice message).Works in parallel with SUBSCRIBE<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>MESSAGE </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– for Instant Messaging
(user to user messaging). MESSAGE requests carry the content in the<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>form of MIME body parts<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><b><font size=2
face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>REFER </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– call transfer<o:p></o:p></span></font></p>
<div style='mso-element:para-border-div;border:none;border-bottom:double windowtext 2.25pt;
padding:0in 0in 1.0pt 0in'>
<p class=MsoNormal style='text-align:justify;border:none;padding:0in'><b><font
size=2 face=Frutiger-BoldCn><span style='font-size:10.0pt;font-family:Frutiger-BoldCn;
font-weight:bold'>PUBLISH </span></font></b><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>– publication of
presence information to a server<o:p></o:p></span></font></p>
</div>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>Does SER support all the above
Basic methods? Can someone tell me if SER supports any of the extensions?
Basically, I am trying to use SER for VoIP integration and I am trying to get all
the data I can about SER for interoperating with various SIP phones. I will not
be using Asterisk for now (as a part of VoIP integration).<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>Thanks much,<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><font size=2 face=Frutiger-Cn><span
style='font-size:10.0pt;font-family:Frutiger-Cn'>Sri.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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