4.6 AddContact Example
This example demonstrates an AddContact request sent by the client to the server to add a contact to its contact list.

Figure 6: AddContact request example
The client sends a SERVICE request with a SOAP envelope/xml envelope in the body. The m:setContact element indicates to the server that this request is for adding or modifying a contact. The xml contains the display name and URI of the contact that is being added along with any groups of which this contact is a member and whether the client is subscribed for presence information of this contact.
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SERVICE sip:server.contoso.com;transport=tcp SIP/2.0 Via: SIP/2.0/TCP 11.22.33.44:13684 Max-Forwards: 70 From: <sip:user1@server.contoso.com> ;tag=e6b525fb274245a0b61ddbe877b7d0b9;epid=df527db094 To: <sip:user1@server.contoso.com> ;tag=01C341BA Call-ID: b7c3b37ba4144a39a9bc82c224147f0c CSeq: 2 SERVICE Contact: <sip:user1@server.contoso.com:13684;maddr=11.22.33.44; transport="tcp"> ;proxy=replace User-Agent: RTC/1.3.5369 Proxy-Authorization: Kerberos qop="auth", realm="SIP Communications Service", opaque="C71765D4", crand="d48aaa37", cnum="6", targetname="sip/server.contoso.com", response="602306092a864886f71201020201011100 ffffffffe25204ecf3fb4be0326639f5ee6f0f44" Content-Type: application/SOAP+xml Content-Length: 407 <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"> <SOAP-ENV:Body> <m:setContact xmlns:m="http://schemas.microsoft.com/winrtc/2002/11/sip"> <m:displayName>buddy 1</m:displayName> <m:groups /> <m:subscribed>true</m:subscribed> <m:URI>sip:user4@server.contoso.com</m:URI> <m:externalURI /> <m:deltaNum>12</m:deltaNum> </m:setContact> </SOAP-ENV:Body> </SOAP-ENV:Envelope>
The server responds to the SERVICE request with a 200 OK to indicate that the AddContact request was successful. The 200 OK response does not have a body.
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SIP/2.0 200 OK Authentication-Info: Kerberos rspauth="602306092A864886F71201020201011100 FFFFFFFFF545C705C4485BF958371C44ACFE31E3", srand="669CF161", snum="7", opaque="C71765D4", qop="auth", targetname="sip/server.contoso.com", realm="SIP Communications Service" Via: SIP/2.0/TCP 11.22.33.44:13684;ms-received-port=1558; ms-received-cid=12a00 From: <sip:user1@server.contoso.com>; tag=e6b525fb274245a0b61ddbe877b7d0b9;epid=df527db094 To: <sip:user1@server.contoso.com>;tag=01C341BA Call-ID: b7c3b37ba4144a39a9bc82c224147f0c CSeq: 2 SERVICE Content-Length: 0