CHAPTER16 Services
Mediant 1000 Gateway & E-SBC | User's Manual
4. When the call ends, the device sends a PUBLISH message to cancel the user's online
presence status (and the user's previous presence state is restored). The message is sent with
a SIP-If-Match header set to the matching entity tag (SIP-ETag) value (i.e., SIP-ETag value of
last 200 OK) and Expires header value set to "0", as shown in the following example:
PUBLISH sip:john.doe@sfb.example SIP/2.0
From: <sip:john.doe@sfb.example>;tag=1c1654434948
To: <sip:john.doe@sfb.example>
CSeq: 1 PUBLISH
Contact: <sip:john.doe@10.33.221.57:5061;transport=tls>
Event: presence
Expires: 0
User-Agent: sur1-vg1.ecarecenters.net/v.7.20A.001.080
SIP-If-Match: 2545777538-1-1
Content-Length: 0
The following figure shows a basic illustration of the device's integration into Microsoft Skype for
Business Presence feature for third-party endpoints.
Configuring Skype for Business Server for Presence
On the Skype for Business Server side, you need to define the device in the Skype for Business
Topology as a Trusted Application.
● Detailed configuration of Skype for Business Server is beyond the scope of this
document.
● Before performing the below procedure, make sure that you have defined the
device in the PSTN Gateway node of the Skype for Business Server Topology
(using the Topology Builder).
Using the Skype for Business Server Management Shell, perform the following steps:
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