Category:HowTo:Presence

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Contents

Introduction

This feature consists of the following two methods:

  1. Presence State Publishing: the phone user (extension) may publish its presence state, e.g. Online, Offline (default), Invisible, Busy in order to indicate its current communication status, i.e. availability and willingness to communicate, to other phone users or contacts.
  2. Contact List: the phone user (extension) may receive updates about the communication status of other phone users (extensions), i.e. their availability and willingness to communicate.

Configuration

Follow the instructions given in the User Manual, page 84:

Note: Your VoIP PBX must support this functionality. This feature is only available from firmware release 7 onwards. The following settings must have been configured in advance:

Presence State Publishing

Publish Presence:ON

For snom 320 / 360 / 370 only: Configure one context-sensitive key S1…S4 to call up the “Presence State” list and another one to call up the “Contacts“ list:

Context-Sensitive Function Keys: Sx <Presence>

or use any free programmable key to call up the “Presence State” list

Free Programmable Function Keys P1-Px <Presence>

Contact List

Contact List:ON
Contact List URI:<SIP URI>

For snom 320 / 360 / 370 only: Configure one context-sensitive key S1…S4 to call up the “Contacts“ list:

Context-Sensitive Function Keys: Sx <Contacts>

Usage

Presence State Publishing

Follow the instructions given in the User Manual, page 85

SIP Package: when you change your presence state to "Lunch", your phone will send the server a SIP package similar to:

PUBLISH sip:431@192.168.10.59 SIP/2.0
Via: SIP/2.0/UDP 10.10.12.136:2051;branch=z9hG4bK-i9mwzvn9bqv7;rport
From: "431" <sip:431@192.168.10.59>;tag=31xhncbjm9
To: "431" <sip:431@192.168.10.59>
Call-ID: 3c2698992729-frk2yiv6im5g
CSeq: 1 PUBLISH
Max-Forwards: 70
Event: presence
Expires: 3600
Content-Type: application/pidf+xml
Content-Length: 414 

<?xml version="1.0" encoding="UTF-8"?>
<presence xmlns="urn:ietf:params:xml:ns:pidf"
xmlns:im="urn:ietf:params:xml:ns:pidf:im"
entity="pres:431@192.168.10.59">
<tuple id="snom320-0004132495C2">
<status>
<basic>open</basic>
<im:im>Lunch</im:im>
</status>
<contact priority="1.00">sip:431@192.168.10.59</contact>
<note xml:lang="en">Lunch</note>
</tuple>
</presence>

Contact List

Follow the instructions given in the User Manual, page 86

SIP Flow

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