Yealink SIP-T2 SERIES Administrator's Manual

Contents

Yealink SIP-T2 SERIES Administrator's Manual Manual pdf 668 page image

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones646application by receiving and handling an HTTP or HTTPS GET request. When receiving aGET request, the IP phone will perform the specified action and respond with a 200 OKmessage. A GET request may contain variable named as ―key‖ and variable value,which are separated by ―=‖. The valid URI format is:http(s)://phone IPaddress/servlet?key=variable value. For example: http://10.3.20.10/servlet?key=OK.NoteSIP Notify MessageIn addition, Yealink IP phones support performing the specified action immediately byaccepting a SIP NOTIFY message with the ―Event: ACTION-URI‖ header from a SIPproxy server. The message body of the SIP NOTIFY message may contain variablenamed as ―key‖ and variable value, which are separated by ―=‖.This method is especially useful for users always working in the small office/home officewhere a secure firewall may prevent the HTTP or HTTPS GET request from the externalnetwork.NoteExample of a SIP Notify with the variable value (OK):Message HeaderNOTIFY sip:3583@10.2.40.10:5062 SIP/2.0Via: SIP/2.0/UDP 10.2.40.27:5063;branch=z9hG4bK4163876675From: @10.2.1.48>;tag=2900480538To: "3583" 10.2.1.48>;tag=490600926Call-ID: 2923387519@10.2.40.10CSeq: 4 NOTIFYContact: 063>Max-Forwards: 70User-Agent: Yealink SIP-T23GEvent: ACTION-URIContent-Type: message/sipfragContent-Length: 6Message Bodykey=OKIf you want to only accept the SIP NOTIFY message from your SIP server and outboundproxy server, you have to enable the Accept SIP Trust Server Only feature. For moreinformation, refer to Accept SIP Trust Server Only on page 316.Yealink IP phones are compatible with other two old valid URI formats:http(s)://phone IPaddress/cgi-bin/ConfigManApp.com?key=variable value andhttp(s)://phone IPaddress/cgi-bin/cgiServer.exx?key=variable value.